2668305020

素因数分解:

$2^2\times 5^1\times {\mathrm{133415251}}^1$

素因数の和:133415260

約数の個数: 12

約数和(自身を含む): 5603440584

約数和(自身を除く): 2935135564

約数列:

[1, 2, 4, 5, 10, 20, 133415251, 266830502, 533661004, 667076255, 1334152510, 2668305020]

約数ペア:

[(1, 2668305020), (2, 1334152510), (4, 667076255), (5, 533661004), (10, 266830502), (20, 133415251)]