40225520

素因数分解:

$2^4\times 5^1\times {\mathrm{502819}}^1$

素因数の和:502832

約数の個数: 20

約数和(自身を含む): 93524520

約数和(自身を除く): 53299000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502819, 1005638, 2011276, 2514095, 4022552, 5028190, 8045104, 10056380, 20112760, 40225520]

約数ペア:

[(1, 40225520), (2, 20112760), (4, 10056380), (5, 8045104), (8, 5028190), (10, 4022552), (16, 2514095), (20, 2011276), (40, 1005638), (80, 502819)]