39720440

素因数分解:

$2^3\times 5^1\times {\mathrm{993011}}^1$

素因数の和:993022

約数の個数: 16

約数和(自身を含む): 89371080

約数和(自身を除く): 49650640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 993011, 1986022, 3972044, 4965055, 7944088, 9930110, 19860220, 39720440]

約数ペア:

[(1, 39720440), (2, 19860220), (4, 9930110), (5, 7944088), (8, 4965055), (10, 3972044), (20, 1986022), (40, 993011)]