72198125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1718

約数の個数: 20

約数和(自身を含む): 91545696

約数和(自身を除く): 19347571

約数列:

[1, 5, 25, 71, 125, 355, 625, 1627, 1775, 8135, 8875, 40675, 44375, 115517, 203375, 577585, 1016875, 2887925, 14439625, 72198125]

約数ペア:

[(1, 72198125), (5, 14439625), (25, 2887925), (71, 1016875), (125, 577585), (355, 203375), (625, 115517), (1627, 44375), (1775, 40675), (8135, 8875)]