200191780

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{6221}}^1$

素因数の和:7839

約数の個数: 24

約数和(自身を含む): 420731640

約数和(自身を除く): 220539860

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6221, 6436, 8045, 12442, 16090, 24884, 31105, 32180, 62210, 124420, 10009589, 20019178, 40038356, 50047945, 100095890, 200191780]

約数ペア:

[(1, 200191780), (2, 100095890), (4, 50047945), (5, 40038356), (10, 20019178), (20, 10009589), (1609, 124420), (3218, 62210), (6221, 32180), (6436, 31105), (8045, 24884), (12442, 16090)]