80337680

素因数分解:

$2^4\times 5^1\times {\mathrm{1004221}}^1$

素因数の和:1004234

約数の個数: 20

約数和(自身を含む): 186785292

約数和(自身を除く): 106447612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1004221, 2008442, 4016884, 5021105, 8033768, 10042210, 16067536, 20084420, 40168840, 80337680]

約数ペア:

[(1, 80337680), (2, 40168840), (4, 20084420), (5, 16067536), (8, 10042210), (10, 8033768), (16, 5021105), (20, 4016884), (40, 2008442), (80, 1004221)]