72990125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{44917}}^1$

素因数の和:44945

約数の個数: 16

約数和(自身を含む): 98100912

約数和(自身を除く): 25110787

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 44917, 224585, 583921, 1122925, 2919605, 5614625, 14598025, 72990125]

約数ペア:

[(1, 72990125), (5, 14598025), (13, 5614625), (25, 2919605), (65, 1122925), (125, 583921), (325, 224585), (1625, 44917)]