39660080

素因数分解:

$2^4\times 5^1\times {\mathrm{495751}}^1$

素因数の和:495764

約数の個数: 20

約数和(自身を含む): 92209872

約数和(自身を除く): 52549792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495751, 991502, 1983004, 2478755, 3966008, 4957510, 7932016, 9915020, 19830040, 39660080]

約数ペア:

[(1, 39660080), (2, 19830040), (4, 9915020), (5, 7932016), (8, 4957510), (10, 3966008), (16, 2478755), (20, 1983004), (40, 991502), (80, 495751)]