77086780

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{2441}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 162051120

約数和(自身を除く): 84964340

約数列:

[1, 2, 4, 5, 10, 20, 1579, 2441, 3158, 4882, 6316, 7895, 9764, 12205, 15790, 24410, 31580, 48820, 3854339, 7708678, 15417356, 19271695, 38543390, 77086780]

約数ペア:

[(1, 77086780), (2, 38543390), (4, 19271695), (5, 15417356), (10, 7708678), (20, 3854339), (1579, 48820), (2441, 31580), (3158, 24410), (4882, 15790), (6316, 12205), (7895, 9764)]