12520540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1487}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 26373312

約数和(自身を除く): 13852772

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1487, 1684, 2105, 2974, 4210, 5948, 7435, 8420, 14870, 29740, 626027, 1252054, 2504108, 3130135, 6260270, 12520540]

約数ペア:

[(1, 12520540), (2, 6260270), (4, 3130135), (5, 2504108), (10, 1252054), (20, 626027), (421, 29740), (842, 14870), (1487, 8420), (1684, 7435), (2105, 5948), (2974, 4210)]