40667920

素因数分解:

$2^4\times 5^1\times {\mathrm{508349}}^1$

素因数の和:508362

約数の個数: 20

約数和(自身を含む): 94553100

約数和(自身を除く): 53885180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508349, 1016698, 2033396, 2541745, 4066792, 5083490, 8133584, 10166980, 20333960, 40667920]

約数ペア:

[(1, 40667920), (2, 20333960), (4, 10166980), (5, 8133584), (8, 5083490), (10, 4066792), (16, 2541745), (20, 2033396), (40, 1016698), (80, 508349)]