80489642

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:442

約数の個数: 24

約数和(自身を含む): 125606700

約数和(自身を除く): 45117058

約数列:

[1, 2, 41, 82, 89, 178, 269, 538, 1681, 3362, 3649, 7298, 11029, 22058, 23941, 47882, 149609, 299218, 452189, 904378, 981581, 1963162, 40244821, 80489642]

約数ペア:

[(1, 80489642), (2, 40244821), (41, 1963162), (82, 981581), (89, 904378), (178, 452189), (269, 299218), (538, 149609), (1681, 47882), (3362, 23941), (3649, 22058), (7298, 11029)]