9994540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1187}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 21056112

約数和(自身を除く): 11061572

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1187, 1684, 2105, 2374, 4210, 4748, 5935, 8420, 11870, 23740, 499727, 999454, 1998908, 2498635, 4997270, 9994540]

約数ペア:

[(1, 9994540), (2, 4997270), (4, 2498635), (5, 1998908), (10, 999454), (20, 499727), (421, 23740), (842, 11870), (1187, 8420), (1684, 5935), (2105, 4748), (2374, 4210)]