2208080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3943}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 5868672

約数和(自身を除く): 3660592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3943, 7886, 15772, 19715, 27601, 31544, 39430, 55202, 63088, 78860, 110404, 138005, 157720, 220808, 276010, 315440, 441616, 552020, 1104040, 2208080]

約数ペア:

[(1, 2208080), (2, 1104040), (4, 552020), (5, 441616), (7, 315440), (8, 276010), (10, 220808), (14, 157720), (16, 138005), (20, 110404), (28, 78860), (35, 63088), (40, 55202), (56, 39430), (70, 31544), (80, 27601), (112, 19715), (140, 15772), (280, 7886), (560, 3943)]