28708660

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6803}}^1$

素因数の和:7023

約数の個数: 24

約数和(自身を含む): 60582816

約数和(自身を除く): 31874156

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 6803, 13606, 27212, 34015, 68030, 136060, 1435433, 2870866, 5741732, 7177165, 14354330, 28708660]

約数ペア:

[(1, 28708660), (2, 14354330), (4, 7177165), (5, 5741732), (10, 2870866), (20, 1435433), (211, 136060), (422, 68030), (844, 34015), (1055, 27212), (2110, 13606), (4220, 6803)]