66289780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3449}}^1$

素因数の和:3520

約数の個数: 36

約数和(自身を含む): 143885700

約数和(自身を除く): 77595920

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3449, 3844, 4805, 6898, 9610, 13796, 17245, 19220, 34490, 68980, 106919, 213838, 427676, 534595, 1069190, 2138380, 3314489, 6628978, 13257956, 16572445, 33144890, 66289780]

約数ペア:

[(1, 66289780), (2, 33144890), (4, 16572445), (5, 13257956), (10, 6628978), (20, 3314489), (31, 2138380), (62, 1069190), (124, 534595), (155, 427676), (310, 213838), (620, 106919), (961, 68980), (1922, 34490), (3449, 19220), (3844, 17245), (4805, 13796), (6898, 9610)]