31044260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 70795200

約数和(自身を除く): 39750940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 859, 1390, 1718, 1807, 2780, 3436, 3614, 4295, 7228, 8590, 9035, 11167, 17180, 18070, 22334, 36140, 44668, 55835, 111670, 119401, 223340, 238802, 477604, 597005, 1194010, 1552213, 2388020, 3104426, 6208852, 7761065, 15522130, 31044260]

約数ペア:

[(1, 31044260), (2, 15522130), (4, 7761065), (5, 6208852), (10, 3104426), (13, 2388020), (20, 1552213), (26, 1194010), (52, 597005), (65, 477604), (130, 238802), (139, 223340), (260, 119401), (278, 111670), (556, 55835), (695, 44668), (859, 36140), (1390, 22334), (1718, 18070), (1807, 17180), (2780, 11167), (3436, 9035), (3614, 8590), (4295, 7228)]