78765125

素因数分解:

$5^3\times {\mathrm{149}}^1\times {\mathrm{4229}}^1$

素因数の和:4393

約数の個数: 16

約数和(自身を含む): 98982000

約数和(自身を除く): 20216875

約数列:

[1, 5, 25, 125, 149, 745, 3725, 4229, 18625, 21145, 105725, 528625, 630121, 3150605, 15753025, 78765125]

約数ペア:

[(1, 78765125), (5, 15753025), (25, 3150605), (125, 630121), (149, 528625), (745, 105725), (3725, 21145), (4229, 18625)]