28666660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130303}}^1$

素因数の和:130323

約数の個数: 24

約数和(自身を含む): 65673216

約数和(自身を除く): 37006556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130303, 260606, 521212, 651515, 1303030, 1433333, 2606060, 2866666, 5733332, 7166665, 14333330, 28666660]

約数ペア:

[(1, 28666660), (2, 14333330), (4, 7166665), (5, 5733332), (10, 2866666), (11, 2606060), (20, 1433333), (22, 1303030), (44, 651515), (55, 521212), (110, 260606), (220, 130303)]