3988820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18131}}^1$

素因数の和:18151

約数の個数: 24

約数和(自身を含む): 9138528

約数和(自身を除く): 5149708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18131, 36262, 72524, 90655, 181310, 199441, 362620, 398882, 797764, 997205, 1994410, 3988820]

約数ペア:

[(1, 3988820), (2, 1994410), (4, 997205), (5, 797764), (10, 398882), (11, 362620), (20, 199441), (22, 181310), (44, 90655), (55, 72524), (110, 36262), (220, 18131)]