201716080

素因数分解:

$2^4\times 5^1\times {\mathrm{2521451}}^1$

素因数の和:2521464

約数の個数: 20

約数和(自身を含む): 468990072

約数和(自身を除く): 267273992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521451, 5042902, 10085804, 12607255, 20171608, 25214510, 40343216, 50429020, 100858040, 201716080]

約数ペア:

[(1, 201716080), (2, 100858040), (4, 50429020), (5, 40343216), (8, 25214510), (10, 20171608), (16, 12607255), (20, 10085804), (40, 5042902), (80, 2521451)]