256417825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3623}}^1$

素因数の和:3801

約数の個数: 24

約数和(自身を含む): 337032000

約数和(自身を除く): 80614175

約数列:

[1, 5, 19, 25, 95, 149, 475, 745, 2831, 3623, 3725, 14155, 18115, 68837, 70775, 90575, 344185, 539827, 1720925, 2699135, 10256713, 13495675, 51283565, 256417825]

約数ペア:

[(1, 256417825), (5, 51283565), (19, 13495675), (25, 10256713), (95, 2699135), (149, 1720925), (475, 539827), (745, 344185), (2831, 90575), (3623, 70775), (3725, 68837), (14155, 18115)]