20565295325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1\times {\mathrm{907}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 27238256640

約数和(自身を除く): 6672961315

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 839, 907, 1081, 1175, 4195, 4535, 5405, 19297, 20861, 20975, 22675, 27025, 39433, 42629, 96485, 104305, 197165, 213145, 482425, 521525, 760973, 906959, 980467, 985825, 1065725, 3804865, 4534795, 4902335, 17502379, 19024325, 22673975, 24511675, 35765731, 87511895, 178828655, 437559475, 822611813, 894143275, 4113059065, 20565295325]

約数ペア:

[(1, 20565295325), (5, 4113059065), (23, 894143275), (25, 822611813), (47, 437559475), (115, 178828655), (235, 87511895), (575, 35765731), (839, 24511675), (907, 22673975), (1081, 19024325), (1175, 17502379), (4195, 4902335), (4535, 4534795), (5405, 3804865), (19297, 1065725), (20861, 985825), (20975, 980467), (22675, 906959), (27025, 760973), (39433, 521525), (42629, 482425), (96485, 213145), (104305, 197165)]