51327920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 137515008

約数和(自身を除く): 86187088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 607, 755, 1057, 1208, 1214, 1510, 2114, 2416, 2428, 3020, 3035, 4228, 4249, 4856, 5285, 6040, 6070, 8456, 8498, 9712, 10570, 12080, 12140, 16912, 16996, 21140, 21245, 24280, 33992, 42280, 42490, 48560, 67984, 84560, 84980, 91657, 169960, 183314, 339920, 366628, 458285, 641599, 733256, 916570, 1283198, 1466512, 1833140, 2566396, 3207995, 3666280, 5132792, 6415990, 7332560, 10265584, 12831980, 25663960, 51327920]

約数ペア:

[(1, 51327920), (2, 25663960), (4, 12831980), (5, 10265584), (7, 7332560), (8, 6415990), (10, 5132792), (14, 3666280), (16, 3207995), (20, 2566396), (28, 1833140), (35, 1466512), (40, 1283198), (56, 916570), (70, 733256), (80, 641599), (112, 458285), (140, 366628), (151, 339920), (280, 183314), (302, 169960), (560, 91657), (604, 84980), (607, 84560), (755, 67984), (1057, 48560), (1208, 42490), (1214, 42280), (1510, 33992), (2114, 24280), (2416, 21245), (2428, 21140), (3020, 16996), (3035, 16912), (4228, 12140), (4249, 12080), (4856, 10570), (5285, 9712), (6040, 8498), (6070, 8456)]