64787875

素因数分解:

$5^3\times {\mathrm{419}}^1\times {\mathrm{1237}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 81113760

約数和(自身を除く): 16325885

約数列:

[1, 5, 25, 125, 419, 1237, 2095, 6185, 10475, 30925, 52375, 154625, 518303, 2591515, 12957575, 64787875]

約数ペア:

[(1, 64787875), (5, 12957575), (25, 2591515), (125, 518303), (419, 154625), (1237, 52375), (2095, 30925), (6185, 10475)]