211244080

素因数分解:

$2^4\times 5^1\times {\mathrm{2640551}}^1$

素因数の和:2640564

約数の個数: 20

約数和(自身を含む): 491142672

約数和(自身を除く): 279898592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2640551, 5281102, 10562204, 13202755, 21124408, 26405510, 42248816, 52811020, 105622040, 211244080]

約数ペア:

[(1, 211244080), (2, 105622040), (4, 52811020), (5, 42248816), (8, 26405510), (10, 21124408), (16, 13202755), (20, 10562204), (40, 5281102), (80, 2640551)]