27788420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126311}}^1$

素因数の和:126331

約数の個数: 24

約数和(自身を含む): 63661248

約数和(自身を除く): 35872828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126311, 252622, 505244, 631555, 1263110, 1389421, 2526220, 2778842, 5557684, 6947105, 13894210, 27788420]

約数ペア:

[(1, 27788420), (2, 13894210), (4, 6947105), (5, 5557684), (10, 2778842), (11, 2526220), (20, 1389421), (22, 1263110), (44, 631555), (55, 505244), (110, 252622), (220, 126311)]