124516820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 271685568

約数和(自身を除く): 147168748

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2161, 2881, 4322, 5762, 8644, 10805, 11524, 14405, 21610, 28810, 43220, 57620, 92923, 144787, 185846, 289574, 371692, 464615, 579148, 723935, 929230, 1447870, 1858460, 2895740, 6225841, 12451682, 24903364, 31129205, 62258410, 124516820]

約数ペア:

[(1, 124516820), (2, 62258410), (4, 31129205), (5, 24903364), (10, 12451682), (20, 6225841), (43, 2895740), (67, 1858460), (86, 1447870), (134, 929230), (172, 723935), (215, 579148), (268, 464615), (335, 371692), (430, 289574), (670, 185846), (860, 144787), (1340, 92923), (2161, 57620), (2881, 43220), (4322, 28810), (5762, 21610), (8644, 14405), (10805, 11524)]