8805775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 36

約数和(自身を含む): 12467952

約数和(自身を除く): 3662177

約数列:

[1, 5, 11, 25, 41, 55, 71, 121, 205, 275, 355, 451, 605, 781, 1025, 1775, 2255, 2911, 3025, 3905, 4961, 8591, 11275, 14555, 19525, 24805, 32021, 42955, 72775, 124025, 160105, 214775, 352231, 800525, 1761155, 8805775]

約数ペア:

[(1, 8805775), (5, 1761155), (11, 800525), (25, 352231), (41, 214775), (55, 160105), (71, 124025), (121, 72775), (205, 42955), (275, 32021), (355, 24805), (451, 19525), (605, 14555), (781, 11275), (1025, 8591), (1775, 4961), (2255, 3905), (2911, 3025)]