205668080

素因数分解:

$2^4\times 5^1\times {\mathrm{2570851}}^1$

素因数の和:2570864

約数の個数: 20

約数和(自身を含む): 478178472

約数和(自身を除く): 272510392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2570851, 5141702, 10283404, 12854255, 20566808, 25708510, 41133616, 51417020, 102834040, 205668080]

約数ペア:

[(1, 205668080), (2, 102834040), (4, 51417020), (5, 41133616), (8, 25708510), (10, 20566808), (16, 12854255), (20, 10283404), (40, 5141702), (80, 2570851)]