8383280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2493

約数の個数: 40

約数和(自身を含む): 19952592

約数和(自身を除く): 11569312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2437, 3440, 4874, 9748, 12185, 19496, 24370, 38992, 48740, 97480, 104791, 194960, 209582, 419164, 523955, 838328, 1047910, 1676656, 2095820, 4191640, 8383280]

約数ペア:

[(1, 8383280), (2, 4191640), (4, 2095820), (5, 1676656), (8, 1047910), (10, 838328), (16, 523955), (20, 419164), (40, 209582), (43, 194960), (80, 104791), (86, 97480), (172, 48740), (215, 38992), (344, 24370), (430, 19496), (688, 12185), (860, 9748), (1720, 4874), (2437, 3440)]