20161600

素因数分解:

$2^6\times 5^2\times {\mathrm{12601}}^1$

素因数の和:12623

約数の個数: 42

約数和(自身を含む): 49614074

約数和(自身を除く): 29452474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 315025, 403232, 504040, 630050, 806464, 1008080, 1260100, 2016160, 2520200, 4032320, 5040400, 10080800, 20161600]

約数ペア:

[(1, 20161600), (2, 10080800), (4, 5040400), (5, 4032320), (8, 2520200), (10, 2016160), (16, 1260100), (20, 1008080), (25, 806464), (32, 630050), (40, 504040), (50, 403232), (64, 315025), (80, 252020), (100, 201616), (160, 126010), (200, 100808), (320, 63005), (400, 50404), (800, 25202), (1600, 12601)]