25559740

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3187}}^1$

素因数の和:3597

約数の個数: 24

約数和(自身を含む): 53826192

約数和(自身を除く): 28266452

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 3187, 4010, 6374, 8020, 12748, 15935, 31870, 63740, 1277987, 2555974, 5111948, 6389935, 12779870, 25559740]

約数ペア:

[(1, 25559740), (2, 12779870), (4, 6389935), (5, 5111948), (10, 2555974), (20, 1277987), (401, 63740), (802, 31870), (1604, 15935), (2005, 12748), (3187, 8020), (4010, 6374)]