52787920

素因数分解:

$2^4\times 5^1\times {\mathrm{659849}}^1$

素因数の和:659862

約数の個数: 20

約数和(自身を含む): 122732100

約数和(自身を除く): 69944180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659849, 1319698, 2639396, 3299245, 5278792, 6598490, 10557584, 13196980, 26393960, 52787920]

約数ペア:

[(1, 52787920), (2, 26393960), (4, 13196980), (5, 10557584), (8, 6598490), (10, 5278792), (16, 3299245), (20, 2639396), (40, 1319698), (80, 659849)]