80425240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287233}}^1$

素因数の和:287251

約数の個数: 32

約数和(自身を含む): 206808480

約数和(自身を除く): 126383240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287233, 574466, 1148932, 1436165, 2010631, 2297864, 2872330, 4021262, 5744660, 8042524, 10053155, 11489320, 16085048, 20106310, 40212620, 80425240]

約数ペア:

[(1, 80425240), (2, 40212620), (4, 20106310), (5, 16085048), (7, 11489320), (8, 10053155), (10, 8042524), (14, 5744660), (20, 4021262), (28, 2872330), (35, 2297864), (40, 2010631), (56, 1436165), (70, 1148932), (140, 574466), (280, 287233)]