40004978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3182

約数の個数: 32

約数和(自身を含む): 70806960

約数和(自身を除く): 30801982

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 3121, 6242, 6409, 12818, 40573, 53057, 81146, 90509, 106114, 181018, 689741, 1176617, 1379482, 1538653, 2353234, 3077306, 20002489, 40004978]

約数ペア:

[(1, 40004978), (2, 20002489), (13, 3077306), (17, 2353234), (26, 1538653), (29, 1379482), (34, 1176617), (58, 689741), (221, 181018), (377, 106114), (442, 90509), (493, 81146), (754, 53057), (986, 40573), (3121, 12818), (6242, 6409)]