40212620

素因数分解:

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

素因数の和:287249

約数の個数: 24

約数和(自身を含む): 96510624

約数和(自身を除く): 56298004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 287233, 574466, 1148932, 1436165, 2010631, 2872330, 4021262, 5744660, 8042524, 10053155, 20106310, 40212620]

約数ペア:

[(1, 40212620), (2, 20106310), (4, 10053155), (5, 8042524), (7, 5744660), (10, 4021262), (14, 2872330), (20, 2010631), (28, 1436165), (35, 1148932), (70, 574466), (140, 287233)]