8515280

素因数分解:

$2^4\times 5^1\times {\mathrm{106441}}^1$

素因数の和:106454

約数の個数: 20

約数和(自身を含む): 19798212

約数和(自身を除く): 11282932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106441, 212882, 425764, 532205, 851528, 1064410, 1703056, 2128820, 4257640, 8515280]

約数ペア:

[(1, 8515280), (2, 4257640), (4, 2128820), (5, 1703056), (8, 1064410), (10, 851528), (16, 532205), (20, 425764), (40, 212882), (80, 106441)]