66649360

素因数分解:

$2^4\times 5^1\times {\mathrm{833117}}^1$

素因数の和:833130

約数の個数: 20

約数和(自身を含む): 154959948

約数和(自身を除く): 88310588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 833117, 1666234, 3332468, 4165585, 6664936, 8331170, 13329872, 16662340, 33324680, 66649360]

約数ペア:

[(1, 66649360), (2, 33324680), (4, 16662340), (5, 13329872), (8, 8331170), (10, 6664936), (16, 4165585), (20, 3332468), (40, 1666234), (80, 833117)]