8685140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10099}}^1$

素因数の和:10151

約数の個数: 24

約数和(自身を含む): 18664800

約数和(自身を除く): 9979660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10099, 20198, 40396, 50495, 100990, 201980, 434257, 868514, 1737028, 2171285, 4342570, 8685140]

約数ペア:

[(1, 8685140), (2, 4342570), (4, 2171285), (5, 1737028), (10, 868514), (20, 434257), (43, 201980), (86, 100990), (172, 50495), (215, 40396), (430, 20198), (860, 10099)]