12779740

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1123}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 26908560

約数和(自身を除く): 14128820

約数列:

[1, 2, 4, 5, 10, 20, 569, 1123, 1138, 2246, 2276, 2845, 4492, 5615, 5690, 11230, 11380, 22460, 638987, 1277974, 2555948, 3194935, 6389870, 12779740]

約数ペア:

[(1, 12779740), (2, 6389870), (4, 3194935), (5, 2555948), (10, 1277974), (20, 638987), (569, 22460), (1123, 11380), (1138, 11230), (2246, 5690), (2276, 5615), (2845, 4492)]