80364080

素因数分解:

$2^4\times 5^1\times {\mathrm{1004551}}^1$

素因数の和:1004564

約数の個数: 20

約数和(自身を含む): 186846672

約数和(自身を除く): 106482592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1004551, 2009102, 4018204, 5022755, 8036408, 10045510, 16072816, 20091020, 40182040, 80364080]

約数ペア:

[(1, 80364080), (2, 40182040), (4, 20091020), (5, 16072816), (8, 10045510), (10, 8036408), (16, 5022755), (20, 4018204), (40, 2009102), (80, 1004551)]