39820580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2508

約数の個数: 48

約数和(自身を含む): 90108480

約数和(自身を除く): 50287900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 2437, 3268, 4085, 4874, 8170, 9748, 12185, 16340, 24370, 46303, 48740, 92606, 104791, 185212, 209582, 231515, 419164, 463030, 523955, 926060, 1047910, 1991029, 2095820, 3982058, 7964116, 9955145, 19910290, 39820580]

約数ペア:

[(1, 39820580), (2, 19910290), (4, 9955145), (5, 7964116), (10, 3982058), (19, 2095820), (20, 1991029), (38, 1047910), (43, 926060), (76, 523955), (86, 463030), (95, 419164), (172, 231515), (190, 209582), (215, 185212), (380, 104791), (430, 92606), (817, 48740), (860, 46303), (1634, 24370), (2437, 16340), (3268, 12185), (4085, 9748), (4874, 8170)]