8120440

素因数分解:

$2^3\times 5^1\times {\mathrm{203011}}^1$

素因数の和:203022

約数の個数: 16

約数和(自身を含む): 18271080

約数和(自身を除く): 10150640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 203011, 406022, 812044, 1015055, 1624088, 2030110, 4060220, 8120440]

約数ペア:

[(1, 8120440), (2, 4060220), (4, 2030110), (5, 1624088), (8, 1015055), (10, 812044), (20, 406022), (40, 203011)]