80496040

素因数分解:

$2^3\times 5^1\times {\mathrm{2012401}}^1$

素因数の和:2012412

約数の個数: 16

約数和(自身を含む): 181116180

約数和(自身を除く): 100620140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012401, 4024802, 8049604, 10062005, 16099208, 20124010, 40248020, 80496040]

約数ペア:

[(1, 80496040), (2, 40248020), (4, 20124010), (5, 16099208), (8, 10062005), (10, 8049604), (20, 4024802), (40, 2012401)]