11821880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{42221}}^1$

素因数の和:42239

約数の個数: 32

約数和(自身を含む): 30399840

約数和(自身を除く): 18577960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 42221, 84442, 168884, 211105, 295547, 337768, 422210, 591094, 844420, 1182188, 1477735, 1688840, 2364376, 2955470, 5910940, 11821880]

約数ペア:

[(1, 11821880), (2, 5910940), (4, 2955470), (5, 2364376), (7, 1688840), (8, 1477735), (10, 1182188), (14, 844420), (20, 591094), (28, 422210), (35, 337768), (40, 295547), (56, 211105), (70, 168884), (140, 84442), (280, 42221)]