12847540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14939}}^1$

素因数の和:14991

約数の個数: 24

約数和(自身を含む): 27609120

約数和(自身を除く): 14761580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 14939, 29878, 59756, 74695, 149390, 298780, 642377, 1284754, 2569508, 3211885, 6423770, 12847540]

約数ペア:

[(1, 12847540), (2, 6423770), (4, 3211885), (5, 2569508), (10, 1284754), (20, 642377), (43, 298780), (86, 149390), (172, 74695), (215, 59756), (430, 29878), (860, 14939)]