25253375

素因数分解:

$5^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 64

約数和(自身を含む): 39936000

約数和(自身を除く): 14682625

約数列:

[1, 5, 7, 19, 25, 31, 35, 49, 95, 125, 133, 155, 175, 217, 245, 343, 475, 589, 665, 775, 875, 931, 1085, 1225, 1519, 1715, 2375, 2945, 3325, 3875, 4123, 4655, 5425, 6125, 6517, 7595, 8575, 10633, 14725, 16625, 20615, 23275, 27125, 28861, 32585, 37975, 42875, 53165, 73625, 103075, 116375, 144305, 162925, 189875, 202027, 265825, 515375, 721525, 814625, 1010135, 1329125, 3607625, 5050675, 25253375]

約数ペア:

[(1, 25253375), (5, 5050675), (7, 3607625), (19, 1329125), (25, 1010135), (31, 814625), (35, 721525), (49, 515375), (95, 265825), (125, 202027), (133, 189875), (155, 162925), (175, 144305), (217, 116375), (245, 103075), (343, 73625), (475, 53165), (589, 42875), (665, 37975), (775, 32585), (875, 28861), (931, 27125), (1085, 23275), (1225, 20615), (1519, 16625), (1715, 14725), (2375, 10633), (2945, 8575), (3325, 7595), (3875, 6517), (4123, 6125), (4655, 5425)]