82215820

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{2647}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 172829664

約数和(自身を除く): 90613844

約数列:

[1, 2, 4, 5, 10, 20, 1553, 2647, 3106, 5294, 6212, 7765, 10588, 13235, 15530, 26470, 31060, 52940, 4110791, 8221582, 16443164, 20553955, 41107910, 82215820]

約数ペア:

[(1, 82215820), (2, 41107910), (4, 20553955), (5, 16443164), (10, 8221582), (20, 4110791), (1553, 52940), (2647, 31060), (3106, 26470), (5294, 15530), (6212, 13235), (7765, 10588)]