20080493560

素因数分解:

$2^3\times 5^1\times {\mathrm{502012339}}^1$

素因数の和:502012350

約数の個数: 16

約数和(自身を含む): 45181110600

約数和(自身を除く): 25100617040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502012339, 1004024678, 2008049356, 2510061695, 4016098712, 5020123390, 10040246780, 20080493560]

約数ペア:

[(1, 20080493560), (2, 10040246780), (4, 5020123390), (5, 4016098712), (8, 2510061695), (10, 2008049356), (20, 1004024678), (40, 502012339)]