204021800

素因数分解:

$2^3\times 5^2\times {\mathrm{1020109}}^1$

素因数の和:1020125

約数の個数: 24

約数和(自身を含む): 474351150

約数和(自身を除く): 270329350

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1020109, 2040218, 4080436, 5100545, 8160872, 10201090, 20402180, 25502725, 40804360, 51005450, 102010900, 204021800]

約数ペア:

[(1, 204021800), (2, 102010900), (4, 51005450), (5, 40804360), (8, 25502725), (10, 20402180), (20, 10201090), (25, 8160872), (40, 5100545), (50, 4080436), (100, 2040218), (200, 1020109)]