55187620

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3361}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 116069688

約数和(自身を除く): 60882068

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 3361, 4105, 6722, 8210, 13444, 16420, 16805, 33610, 67220, 2759381, 5518762, 11037524, 13796905, 27593810, 55187620]

約数ペア:

[(1, 55187620), (2, 27593810), (4, 13796905), (5, 11037524), (10, 5518762), (20, 2759381), (821, 67220), (1642, 33610), (3284, 16805), (3361, 16420), (4105, 13444), (6722, 8210)]