64517120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{12601}}^1$

素因数の和:12626

約数の個数: 44

約数和(自身を含む): 154777764

約数和(自身を除く): 90260644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 12601, 25202, 50404, 63005, 100808, 126010, 201616, 252020, 403232, 504040, 806464, 1008080, 1612928, 2016160, 3225856, 4032320, 6451712, 8064640, 12903424, 16129280, 32258560, 64517120]

約数ペア:

[(1, 64517120), (2, 32258560), (4, 16129280), (5, 12903424), (8, 8064640), (10, 6451712), (16, 4032320), (20, 3225856), (32, 2016160), (40, 1612928), (64, 1008080), (80, 806464), (128, 504040), (160, 403232), (256, 252020), (320, 201616), (512, 126010), (640, 100808), (1024, 63005), (1280, 50404), (2560, 25202), (5120, 12601)]