16129280

素因数分解:

$2^8\times 5^1\times {\mathrm{12601}}^1$

素因数の和:12622

約数の個数: 36

約数和(自身を含む): 38637732

約数和(自身を除く): 22508452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 403232, 504040, 806464, 1008080, 1612928, 2016160, 3225856, 4032320, 8064640, 16129280]

約数ペア:

[(1, 16129280), (2, 8064640), (4, 4032320), (5, 3225856), (8, 2016160), (10, 1612928), (16, 1008080), (20, 806464), (32, 504040), (40, 403232), (64, 252020), (80, 201616), (128, 126010), (160, 100808), (256, 63005), (320, 50404), (640, 25202), (1280, 12601)]