85905520

素因数分解:

$2^4\times 5^1\times {\mathrm{1073819}}^1$

素因数の和:1073832

約数の個数: 20

約数和(自身を含む): 199730520

約数和(自身を除く): 113825000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1073819, 2147638, 4295276, 5369095, 8590552, 10738190, 17181104, 21476380, 42952760, 85905520]

約数ペア:

[(1, 85905520), (2, 42952760), (4, 21476380), (5, 17181104), (8, 10738190), (10, 8590552), (16, 5369095), (20, 4295276), (40, 2147638), (80, 1073819)]