507097820

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{16561}}^1$

素因数の和:18101

約数の個数: 24

約数和(自身を含む): 1065665328

約数和(自身を除く): 558567508

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 6124, 7655, 15310, 16561, 30620, 33122, 66244, 82805, 165610, 331220, 25354891, 50709782, 101419564, 126774455, 253548910, 507097820]

約数ペア:

[(1, 507097820), (2, 253548910), (4, 126774455), (5, 101419564), (10, 50709782), (20, 25354891), (1531, 331220), (3062, 165610), (6124, 82805), (7655, 66244), (15310, 33122), (16561, 30620)]