6639620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25537}}^1$

素因数の和:25559

約数の個数: 24

約数和(自身を含む): 15016344

約数和(自身を除く): 8376724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25537, 51074, 102148, 127685, 255370, 331981, 510740, 663962, 1327924, 1659905, 3319810, 6639620]

約数ペア:

[(1, 6639620), (2, 3319810), (4, 1659905), (5, 1327924), (10, 663962), (13, 510740), (20, 331981), (26, 255370), (52, 127685), (65, 102148), (130, 51074), (260, 25537)]