38409860

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4937}}^1$

素因数の和:5335

約数の個数: 24

約数和(自身を含む): 80884440

約数和(自身を除く): 42474580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 4937, 7780, 9874, 19748, 24685, 49370, 98740, 1920493, 3840986, 7681972, 9602465, 19204930, 38409860]

約数ペア:

[(1, 38409860), (2, 19204930), (4, 9602465), (5, 7681972), (10, 3840986), (20, 1920493), (389, 98740), (778, 49370), (1556, 24685), (1945, 19748), (3890, 9874), (4937, 7780)]