31538660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54377}}^1$

素因数の和:54415

約数の個数: 24

約数和(自身を含む): 68516280

約数和(自身を除く): 36977620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54377, 108754, 217508, 271885, 543770, 1087540, 1576933, 3153866, 6307732, 7884665, 15769330, 31538660]

約数ペア:

[(1, 31538660), (2, 15769330), (4, 7884665), (5, 6307732), (10, 3153866), (20, 1576933), (29, 1087540), (58, 543770), (116, 271885), (145, 217508), (290, 108754), (580, 54377)]