17980475480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40864717}}^1$

素因数の和:40864739

約数の個数: 32

約数和(自身を含む): 44133895440

約数和(自身を除く): 26153419960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 40864717, 81729434, 163458868, 204323585, 326917736, 408647170, 449511887, 817294340, 899023774, 1634588680, 1798047548, 2247559435, 3596095096, 4495118870, 8990237740, 17980475480]

約数ペア:

[(1, 17980475480), (2, 8990237740), (4, 4495118870), (5, 3596095096), (8, 2247559435), (10, 1798047548), (11, 1634588680), (20, 899023774), (22, 817294340), (40, 449511887), (44, 408647170), (55, 326917736), (88, 204323585), (110, 163458868), (220, 81729434), (440, 40864717)]