81481540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{582011}}^1$

素因数の和:582027

約数の個数: 24

約数和(自身を含む): 195556032

約数和(自身を除く): 114074492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 582011, 1164022, 2328044, 2910055, 4074077, 5820110, 8148154, 11640220, 16296308, 20370385, 40740770, 81481540]

約数ペア:

[(1, 81481540), (2, 40740770), (4, 20370385), (5, 16296308), (7, 11640220), (10, 8148154), (14, 5820110), (20, 4074077), (28, 2910055), (35, 2328044), (70, 1164022), (140, 582011)]