39952805

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 52194912

約数和(自身を除く): 12242107

約数列:

[1, 5, 17, 43, 85, 215, 289, 643, 731, 1445, 3215, 3655, 10931, 12427, 27649, 54655, 62135, 138245, 185827, 470033, 929135, 2350165, 7990561, 39952805]

約数ペア:

[(1, 39952805), (5, 7990561), (17, 2350165), (43, 929135), (85, 470033), (215, 185827), (289, 138245), (643, 62135), (731, 54655), (1445, 27649), (3215, 12427), (3655, 10931)]