39580720

素因数分解:

$2^4\times 5^1\times {\mathrm{494759}}^1$

素因数の和:494772

約数の個数: 20

約数和(自身を含む): 92025360

約数和(自身を除く): 52444640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 494759, 989518, 1979036, 2473795, 3958072, 4947590, 7916144, 9895180, 19790360, 39580720]

約数ペア:

[(1, 39580720), (2, 19790360), (4, 9895180), (5, 7916144), (8, 4947590), (10, 3958072), (16, 2473795), (20, 1979036), (40, 989518), (80, 494759)]