39783280

素因数分解:

$2^4\times 5^1\times {\mathrm{497291}}^1$

素因数の和:497304

約数の個数: 20

約数和(自身を含む): 92496312

約数和(自身を除く): 52713032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497291, 994582, 1989164, 2486455, 3978328, 4972910, 7956656, 9945820, 19891640, 39783280]

約数ペア:

[(1, 39783280), (2, 19891640), (4, 9945820), (5, 7956656), (8, 4972910), (10, 3978328), (16, 2486455), (20, 1989164), (40, 994582), (80, 497291)]