16420525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 23328864

約数和(自身を除く): 6908339

約数列:

[1, 5, 11, 25, 29, 55, 71, 145, 275, 319, 355, 725, 781, 841, 1595, 1775, 2059, 3905, 4205, 7975, 9251, 10295, 19525, 21025, 22649, 46255, 51475, 59711, 113245, 231275, 298555, 566225, 656821, 1492775, 3284105, 16420525]

約数ペア:

[(1, 16420525), (5, 3284105), (11, 1492775), (25, 656821), (29, 566225), (55, 298555), (71, 231275), (145, 113245), (275, 59711), (319, 51475), (355, 46255), (725, 22649), (781, 21025), (841, 19525), (1595, 10295), (1775, 9251), (2059, 7975), (3905, 4205)]