54711220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66721}}^1$

素因数の和:66771

約数の個数: 24

約数和(自身を含む): 117697608

約数和(自身を除く): 62986388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 66721, 133442, 266884, 333605, 667210, 1334420, 2735561, 5471122, 10942244, 13677805, 27355610, 54711220]

約数ペア:

[(1, 54711220), (2, 27355610), (4, 13677805), (5, 10942244), (10, 5471122), (20, 2735561), (41, 1334420), (82, 667210), (164, 333605), (205, 266884), (410, 133442), (820, 66721)]