2005211525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 2662329600

約数和(自身を除く): 657118075

約数列:

[1, 5, 25, 29, 47, 83, 145, 235, 415, 709, 725, 1175, 1363, 2075, 2407, 3545, 3901, 6815, 12035, 17725, 19505, 20561, 33323, 34075, 58847, 60175, 97525, 102805, 113129, 166615, 294235, 514025, 565645, 833075, 966367, 1471175, 1706563, 2765809, 2828225, 4831835, 8532815, 13829045, 24159175, 42664075, 69145225, 80208461, 401042305, 2005211525]

約数ペア:

[(1, 2005211525), (5, 401042305), (25, 80208461), (29, 69145225), (47, 42664075), (83, 24159175), (145, 13829045), (235, 8532815), (415, 4831835), (709, 2828225), (725, 2765809), (1175, 1706563), (1363, 1471175), (2075, 966367), (2407, 833075), (3545, 565645), (3901, 514025), (6815, 294235), (12035, 166615), (17725, 113129), (19505, 102805), (20561, 97525), (33323, 60175), (34075, 58847)]