12435620

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{967}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 26182464

約数和(自身を除く): 13746844

約数列:

[1, 2, 4, 5, 10, 20, 643, 967, 1286, 1934, 2572, 3215, 3868, 4835, 6430, 9670, 12860, 19340, 621781, 1243562, 2487124, 3108905, 6217810, 12435620]

約数ペア:

[(1, 12435620), (2, 6217810), (4, 3108905), (5, 2487124), (10, 1243562), (20, 621781), (643, 19340), (967, 12860), (1286, 9670), (1934, 6430), (2572, 4835), (3215, 3868)]