55538120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126223}}^1$

素因数の和:126245

約数の個数: 32

約数和(自身を含む): 136321920

約数和(自身を除く): 80783800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 126223, 252446, 504892, 631115, 1009784, 1262230, 1388453, 2524460, 2776906, 5048920, 5553812, 6942265, 11107624, 13884530, 27769060, 55538120]

約数ペア:

[(1, 55538120), (2, 27769060), (4, 13884530), (5, 11107624), (8, 6942265), (10, 5553812), (11, 5048920), (20, 2776906), (22, 2524460), (40, 1388453), (44, 1262230), (55, 1009784), (88, 631115), (110, 504892), (220, 252446), (440, 126223)]