8025080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28661}}^1$

素因数の和:28679

約数の個数: 32

約数和(自身を含む): 20636640

約数和(自身を除く): 12611560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28661, 57322, 114644, 143305, 200627, 229288, 286610, 401254, 573220, 802508, 1003135, 1146440, 1605016, 2006270, 4012540, 8025080]

約数ペア:

[(1, 8025080), (2, 4012540), (4, 2006270), (5, 1605016), (7, 1146440), (8, 1003135), (10, 802508), (14, 573220), (20, 401254), (28, 286610), (35, 229288), (40, 200627), (56, 143305), (70, 114644), (140, 57322), (280, 28661)]