9867640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5737}}^1$

素因数の和:5791

約数の個数: 32

約数和(自身を含む): 22722480

約数和(自身を除く): 12854840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5737, 11474, 22948, 28685, 45896, 57370, 114740, 229480, 246691, 493382, 986764, 1233455, 1973528, 2466910, 4933820, 9867640]

約数ペア:

[(1, 9867640), (2, 4933820), (4, 2466910), (5, 1973528), (8, 1233455), (10, 986764), (20, 493382), (40, 246691), (43, 229480), (86, 114740), (172, 57370), (215, 45896), (344, 28685), (430, 22948), (860, 11474), (1720, 5737)]