25005825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 49288512

約数和(自身を除く): 24282687

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 83, 103, 117, 195, 225, 249, 309, 325, 415, 515, 585, 747, 927, 975, 1079, 1245, 1339, 1545, 2075, 2575, 2925, 3237, 3735, 4017, 4635, 5395, 6225, 6695, 7725, 8549, 9711, 12051, 16185, 18675, 20085, 23175, 25647, 26975, 33475, 42745, 48555, 60255, 76941, 80925, 100425, 111137, 128235, 213725, 242775, 301275, 333411, 384705, 555685, 641175, 1000233, 1667055, 1923525, 2778425, 5001165, 8335275, 25005825]

約数ペア:

[(1, 25005825), (3, 8335275), (5, 5001165), (9, 2778425), (13, 1923525), (15, 1667055), (25, 1000233), (39, 641175), (45, 555685), (65, 384705), (75, 333411), (83, 301275), (103, 242775), (117, 213725), (195, 128235), (225, 111137), (249, 100425), (309, 80925), (325, 76941), (415, 60255), (515, 48555), (585, 42745), (747, 33475), (927, 26975), (975, 25647), (1079, 23175), (1245, 20085), (1339, 18675), (1545, 16185), (2075, 12051), (2575, 9711), (2925, 8549), (3237, 7725), (3735, 6695), (4017, 6225), (4635, 5395)]