4257640

素因数分解:

$2^3\times 5^1\times {\mathrm{106441}}^1$

素因数の和:106452

約数の個数: 16

約数和(自身を含む): 9579780

約数和(自身を除く): 5322140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 106441, 212882, 425764, 532205, 851528, 1064410, 2128820, 4257640]

約数ペア:

[(1, 4257640), (2, 2128820), (4, 1064410), (5, 851528), (8, 532205), (10, 425764), (20, 212882), (40, 106441)]