12397820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2357}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 26145504

約数和(自身を除く): 13747684

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2357, 2630, 4714, 5260, 9428, 11785, 23570, 47140, 619891, 1239782, 2479564, 3099455, 6198910, 12397820]

約数ペア:

[(1, 12397820), (2, 6198910), (4, 3099455), (5, 2479564), (10, 1239782), (20, 619891), (263, 47140), (526, 23570), (1052, 11785), (1315, 9428), (2357, 5260), (2630, 4714)]