2668156940

素因数分解:

$2^2\times 5^1\times {\mathrm{133407847}}^1$

素因数の和:133407856

約数の個数: 12

約数和(自身を含む): 5603129616

約数和(自身を除く): 2934972676

約数列:

[1, 2, 4, 5, 10, 20, 133407847, 266815694, 533631388, 667039235, 1334078470, 2668156940]

約数ペア:

[(1, 2668156940), (2, 1334078470), (4, 667039235), (5, 533631388), (10, 266815694), (20, 133407847)]