520080025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 702812160

約数和(自身を除く): 182732135

約数列:

[1, 5, 23, 25, 31, 115, 155, 163, 179, 575, 713, 775, 815, 895, 3565, 3749, 4075, 4117, 4475, 5053, 5549, 17825, 18745, 20585, 25265, 27745, 29177, 93725, 102925, 116219, 126325, 127627, 138725, 145885, 581095, 638135, 671071, 729425, 904487, 2905475, 3190675, 3355355, 4522435, 16776775, 20803201, 22612175, 104016005, 520080025]

約数ペア:

[(1, 520080025), (5, 104016005), (23, 22612175), (25, 20803201), (31, 16776775), (115, 4522435), (155, 3355355), (163, 3190675), (179, 2905475), (575, 904487), (713, 729425), (775, 671071), (815, 638135), (895, 581095), (3565, 145885), (3749, 138725), (4075, 127627), (4117, 126325), (4475, 116219), (5053, 102925), (5549, 93725), (17825, 29177), (18745, 27745), (20585, 25265)]