68710580

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{2909}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 144464040

約数和(自身を除く): 75753460

約数列:

[1, 2, 4, 5, 10, 20, 1181, 2362, 2909, 4724, 5818, 5905, 11636, 11810, 14545, 23620, 29090, 58180, 3435529, 6871058, 13742116, 17177645, 34355290, 68710580]

約数ペア:

[(1, 68710580), (2, 34355290), (4, 17177645), (5, 13742116), (10, 6871058), (20, 3435529), (1181, 58180), (2362, 29090), (2909, 23620), (4724, 14545), (5818, 11810), (5905, 11636)]