66578840

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2437}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 150083280

約数和(自身を除く): 83504440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2437, 2732, 3415, 4874, 5464, 6830, 9748, 12185, 13660, 19496, 24370, 27320, 48740, 97480, 1664471, 3328942, 6657884, 8322355, 13315768, 16644710, 33289420, 66578840]

約数ペア:

[(1, 66578840), (2, 33289420), (4, 16644710), (5, 13315768), (8, 8322355), (10, 6657884), (20, 3328942), (40, 1664471), (683, 97480), (1366, 48740), (2437, 27320), (2732, 24370), (3415, 19496), (4874, 13660), (5464, 12185), (6830, 9748)]