Divisor Summation

2020年1月17日 902点热度 0人点赞 0条评论

Divisor Summation

时间: 1ms        内存:64M

描述:

Give a natural number n (1 <= n <= 500000), please tell the summation of all its proper divisors. Definition: A proper divisor of a natural number is the divisor that is strictly less than the number. e.g. number 20 has 5 proper divisors: 1, 2, 4, 5, 10, and the divisor summation is: 1 + 2 + 4 + 5 + 10 = 22.

输入:

An integer stating the number of test cases, and that many lines follow each containing one integer between 1 and 500000.

输出:

One integer each line: the divisor summation of the integer given respectively.

示例输入:

3
2
10
20

示例输出:

1
8
22

提示:

参考答案:

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