83520875

素因数分解:

$5^3\times {\mathrm{167}}^1\times {\mathrm{4001}}^1$

素因数の和:4183

約数の個数: 16

約数和(自身を含む): 104884416

約数和(自身を除く): 21363541

約数列:

[1, 5, 25, 125, 167, 835, 4001, 4175, 20005, 20875, 100025, 500125, 668167, 3340835, 16704175, 83520875]

約数ペア:

[(1, 83520875), (5, 16704175), (25, 3340835), (125, 668167), (167, 500125), (835, 100025), (4001, 20875), (4175, 20005)]