80785540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367207}}^1$

素因数の和:367227

約数の個数: 24

約数和(自身を含む): 185072832

約数和(自身を除く): 104287292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367207, 734414, 1468828, 1836035, 3672070, 4039277, 7344140, 8078554, 16157108, 20196385, 40392770, 80785540]

約数ペア:

[(1, 80785540), (2, 40392770), (4, 20196385), (5, 16157108), (10, 8078554), (11, 7344140), (20, 4039277), (22, 3672070), (44, 1836035), (55, 1468828), (110, 734414), (220, 367207)]