40420985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2543}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 56232576

約数和(自身を除く): 15811591

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1445, 2543, 3179, 12715, 15895, 27973, 43231, 139865, 216155, 475541, 734927, 2377705, 3674635, 8084197, 40420985]

約数ペア:

[(1, 40420985), (5, 8084197), (11, 3674635), (17, 2377705), (55, 734927), (85, 475541), (187, 216155), (289, 139865), (935, 43231), (1445, 27973), (2543, 15895), (3179, 12715)]