27778580

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2441}}^1$

素因数の和:3019

約数の個数: 24

約数和(自身を含む): 58461480

約数和(自身を除く): 30682900

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2441, 2845, 4882, 5690, 9764, 11380, 12205, 24410, 48820, 1388929, 2777858, 5555716, 6944645, 13889290, 27778580]

約数ペア:

[(1, 27778580), (2, 13889290), (4, 6944645), (5, 5555716), (10, 2777858), (20, 1388929), (569, 48820), (1138, 24410), (2276, 12205), (2441, 11380), (2845, 9764), (4882, 5690)]