28437820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30253}}^1$

素因数の和:30309

約数の個数: 24

約数和(自身を含む): 60992064

約数和(自身を除く): 32554244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 30253, 60506, 121012, 151265, 302530, 605060, 1421891, 2843782, 5687564, 7109455, 14218910, 28437820]

約数ペア:

[(1, 28437820), (2, 14218910), (4, 7109455), (5, 5687564), (10, 2843782), (20, 1421891), (47, 605060), (94, 302530), (188, 151265), (235, 121012), (470, 60506), (940, 30253)]