22640125

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2637

約数の個数: 16

約数和(自身を含む): 28664064

約数和(自身を除く): 6023939

約数列:

[1, 5, 25, 71, 125, 355, 1775, 2551, 8875, 12755, 63775, 181121, 318875, 905605, 4528025, 22640125]

約数ペア:

[(1, 22640125), (5, 4528025), (25, 905605), (71, 318875), (125, 181121), (355, 63775), (1775, 12755), (2551, 8875)]