40990888

素因数分解:

$2^3\times {\mathrm{79}}^2\times {\mathrm{821}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 77937930

約数和(自身を除く): 36947042

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 821, 1642, 3284, 6241, 6568, 12482, 24964, 49928, 64859, 129718, 259436, 518872, 5123861, 10247722, 20495444, 40990888]

約数ペア:

[(1, 40990888), (2, 20495444), (4, 10247722), (8, 5123861), (79, 518872), (158, 259436), (316, 129718), (632, 64859), (821, 49928), (1642, 24964), (3284, 12482), (6241, 6568)]