4191640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 9654480

約数和(自身を除く): 5462840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2437, 4874, 9748, 12185, 19496, 24370, 48740, 97480, 104791, 209582, 419164, 523955, 838328, 1047910, 2095820, 4191640]

約数ペア:

[(1, 4191640), (2, 2095820), (4, 1047910), (5, 838328), (8, 523955), (10, 419164), (20, 209582), (40, 104791), (43, 97480), (86, 48740), (172, 24370), (215, 19496), (344, 12185), (430, 9748), (860, 4874), (1720, 2437)]