2189166080

素因数分解:

$2^9\times 5^1\times {\mathrm{855143}}^1$

素因数の和:855166

約数の個数: 40

約数和(自身を含む): 5248873872

約数和(自身を除く): 3059707792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 855143, 1710286, 3420572, 4275715, 6841144, 8551430, 13682288, 17102860, 27364576, 34205720, 54729152, 68411440, 109458304, 136822880, 218916608, 273645760, 437833216, 547291520, 1094583040, 2189166080]

約数ペア:

[(1, 2189166080), (2, 1094583040), (4, 547291520), (5, 437833216), (8, 273645760), (10, 218916608), (16, 136822880), (20, 109458304), (32, 68411440), (40, 54729152), (64, 34205720), (80, 27364576), (128, 17102860), (160, 13682288), (256, 8551430), (320, 6841144), (512, 4275715), (640, 3420572), (1280, 1710286), (2560, 855143)]