68762020

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2309}}^1$

素因数の和:3807

約数の個数: 24

約数和(自身を含む): 144559800

約数和(自身を除く): 75797780

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2309, 2978, 4618, 5956, 7445, 9236, 11545, 14890, 23090, 29780, 46180, 3438101, 6876202, 13752404, 17190505, 34381010, 68762020]

約数ペア:

[(1, 68762020), (2, 34381010), (4, 17190505), (5, 13752404), (10, 6876202), (20, 3438101), (1489, 46180), (2309, 29780), (2978, 23090), (4618, 14890), (5956, 11545), (7445, 9236)]