8064640

素因数分解:

$2^7\times 5^1\times {\mathrm{12601}}^1$

素因数の和:12620

約数の個数: 32

約数和(自身を含む): 19281060

約数和(自身を除く): 11216420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 403232, 504040, 806464, 1008080, 1612928, 2016160, 4032320, 8064640]

約数ペア:

[(1, 8064640), (2, 4032320), (4, 2016160), (5, 1612928), (8, 1008080), (10, 806464), (16, 504040), (20, 403232), (32, 252020), (40, 201616), (64, 126010), (80, 100808), (128, 63005), (160, 50404), (320, 25202), (640, 12601)]