807956140

素因数分解:

$2^2\times 5^1\times {\mathrm{4889}}^1\times {\mathrm{8263}}^1$

素因数の和:13161

約数の個数: 24

約数和(自身を含む): 1697260320

約数和(自身を除く): 889304180

約数列:

[1, 2, 4, 5, 10, 20, 4889, 8263, 9778, 16526, 19556, 24445, 33052, 41315, 48890, 82630, 97780, 165260, 40397807, 80795614, 161591228, 201989035, 403978070, 807956140]

約数ペア:

[(1, 807956140), (2, 403978070), (4, 201989035), (5, 161591228), (10, 80795614), (20, 40397807), (4889, 165260), (8263, 97780), (9778, 82630), (16526, 48890), (19556, 41315), (24445, 33052)]