248640374020

素因数分解:

$2^2\times 5^1\times {\mathrm{12432018701}}^1$

素因数の和:12432018710

約数の個数: 12

約数和(自身を含む): 522144785484

約数和(自身を除く): 273504411464

約数列:

[1, 2, 4, 5, 10, 20, 12432018701, 24864037402, 49728074804, 62160093505, 124320187010, 248640374020]

約数ペア:

[(1, 248640374020), (2, 124320187010), (4, 62160093505), (5, 49728074804), (10, 24864037402), (20, 12432018701)]