55576840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126311}}^1$

素因数の和:126333

約数の個数: 32

約数和(自身を含む): 136416960

約数和(自身を除く): 80840120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 126311, 252622, 505244, 631555, 1010488, 1263110, 1389421, 2526220, 2778842, 5052440, 5557684, 6947105, 11115368, 13894210, 27788420, 55576840]

約数ペア:

[(1, 55576840), (2, 27788420), (4, 13894210), (5, 11115368), (8, 6947105), (10, 5557684), (11, 5052440), (20, 2778842), (22, 2526220), (40, 1389421), (44, 1263110), (55, 1010488), (88, 631555), (110, 505244), (220, 252622), (440, 126311)]