259326020

素因数分解:

$2^2\times 5^1\times {\mathrm{3571}}^1\times {\mathrm{3631}}^1$

素因数の和:7211

約数の個数: 24

約数和(自身を含む): 544887168

約数和(自身を除く): 285561148

約数列:

[1, 2, 4, 5, 10, 20, 3571, 3631, 7142, 7262, 14284, 14524, 17855, 18155, 35710, 36310, 71420, 72620, 12966301, 25932602, 51865204, 64831505, 129663010, 259326020]

約数ペア:

[(1, 259326020), (2, 129663010), (4, 64831505), (5, 51865204), (10, 25932602), (20, 12966301), (3571, 72620), (3631, 71420), (7142, 36310), (7262, 35710), (14284, 18155), (14524, 17855)]