28364080

素因数分解:

$2^4\times 5^1\times {\mathrm{354551}}^1$

素因数の和:354564

約数の個数: 20

約数和(自身を含む): 65946672

約数和(自身を除く): 37582592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354551, 709102, 1418204, 1772755, 2836408, 3545510, 5672816, 7091020, 14182040, 28364080]

約数ペア:

[(1, 28364080), (2, 14182040), (4, 7091020), (5, 5672816), (8, 3545510), (10, 2836408), (16, 1772755), (20, 1418204), (40, 709102), (80, 354551)]