64902875

素因数分解:

$5^3\times {\mathrm{71}}^2\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 24

約数和(自身を含む): 82953312

約数和(自身を除く): 18050437

約数列:

[1, 5, 25, 71, 103, 125, 355, 515, 1775, 2575, 5041, 7313, 8875, 12875, 25205, 36565, 126025, 182825, 519223, 630125, 914125, 2596115, 12980575, 64902875]

約数ペア:

[(1, 64902875), (5, 12980575), (25, 2596115), (71, 914125), (103, 630125), (125, 519223), (355, 182825), (515, 126025), (1775, 36565), (2575, 25205), (5041, 12875), (7313, 8875)]