[ACM] POJ 1845 Sumdiv(求A的B次方的全部因子的和,一大堆數學公式...,可作模板)

Sumdiv Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 13792   Accepted: 3399 Descriptionios Consider two natural numbers A and B. Let S be the sum of all natural divisors of A^B. Determi
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