28667920

素因数分解:

$2^4\times 5^1\times {\mathrm{358349}}^1$

素因数の和:358362

約数の個数: 20

約数和(自身を含む): 66653100

約数和(自身を除く): 37985180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358349, 716698, 1433396, 1791745, 2866792, 3583490, 5733584, 7166980, 14333960, 28667920]

約数ペア:

[(1, 28667920), (2, 14333960), (4, 7166980), (5, 5733584), (8, 3583490), (10, 2866792), (16, 1791745), (20, 1433396), (40, 716698), (80, 358349)]