39291920

素因数分解:

$2^4\times 5^1\times {\mathrm{491149}}^1$

素因数の和:491162

約数の個数: 20

約数和(自身を含む): 91353900

約数和(自身を除く): 52061980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491149, 982298, 1964596, 2455745, 3929192, 4911490, 7858384, 9822980, 19645960, 39291920]

約数ペア:

[(1, 39291920), (2, 19645960), (4, 9822980), (5, 7858384), (8, 4911490), (10, 3929192), (16, 2455745), (20, 1964596), (40, 982298), (80, 491149)]