13309930825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{651649}}^1$

素因数の和:651721

約数の個数: 24

約数和(自身を含む): 17777012000

約数和(自身を除く): 4467081175

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 20425, 651649, 3258245, 12381331, 16291225, 28020907, 61906655, 140104535, 309533275, 532397233, 700522675, 2661986165, 13309930825]

約数ペア:

[(1, 13309930825), (5, 2661986165), (19, 700522675), (25, 532397233), (43, 309533275), (95, 140104535), (215, 61906655), (475, 28020907), (817, 16291225), (1075, 12381331), (4085, 3258245), (20425, 651649)]