51538625

素因数分解:

$5^3\times {\mathrm{103}}^1\times {\mathrm{4003}}^1$

素因数の和:4121

約数の個数: 16

約数和(自身を含む): 64960896

約数和(自身を除く): 13422271

約数列:

[1, 5, 25, 103, 125, 515, 2575, 4003, 12875, 20015, 100075, 412309, 500375, 2061545, 10307725, 51538625]

約数ペア:

[(1, 51538625), (5, 10307725), (25, 2061545), (103, 500375), (125, 412309), (515, 100075), (2575, 20015), (4003, 12875)]