20160245

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4397}}^1$

素因数の和:4540

約数の個数: 16

約数和(自身を含む): 27865728

約数和(自身を除く): 7705483

約数列:

[1, 5, 7, 35, 131, 655, 917, 4397, 4585, 21985, 30779, 153895, 576007, 2880035, 4032049, 20160245]

約数ペア:

[(1, 20160245), (5, 4032049), (7, 2880035), (35, 576007), (131, 153895), (655, 30779), (917, 21985), (4397, 4585)]