802121380

素因数分解:

$2^2\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{20023}}^1$

素因数の和:22035

約数の個数: 24

約数和(自身を含む): 1685380032

約数和(自身を除く): 883258652

約数列:

[1, 2, 4, 5, 10, 20, 2003, 4006, 8012, 10015, 20023, 20030, 40046, 40060, 80092, 100115, 200230, 400460, 40106069, 80212138, 160424276, 200530345, 401060690, 802121380]

約数ペア:

[(1, 802121380), (2, 401060690), (4, 200530345), (5, 160424276), (10, 80212138), (20, 40106069), (2003, 400460), (4006, 200230), (8012, 100115), (10015, 80092), (20023, 40060), (20030, 40046)]