25959920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 69662208

約数和(自身を除く): 43702288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 307, 560, 604, 614, 755, 1057, 1208, 1228, 1510, 1535, 2114, 2149, 2416, 2456, 3020, 3070, 4228, 4298, 4912, 5285, 6040, 6140, 8456, 8596, 10570, 10745, 12080, 12280, 16912, 17192, 21140, 21490, 24560, 34384, 42280, 42980, 46357, 84560, 85960, 92714, 171920, 185428, 231785, 324499, 370856, 463570, 648998, 741712, 927140, 1297996, 1622495, 1854280, 2595992, 3244990, 3708560, 5191984, 6489980, 12979960, 25959920]

約数ペア:

[(1, 25959920), (2, 12979960), (4, 6489980), (5, 5191984), (7, 3708560), (8, 3244990), (10, 2595992), (14, 1854280), (16, 1622495), (20, 1297996), (28, 927140), (35, 741712), (40, 648998), (56, 463570), (70, 370856), (80, 324499), (112, 231785), (140, 185428), (151, 171920), (280, 92714), (302, 85960), (307, 84560), (560, 46357), (604, 42980), (614, 42280), (755, 34384), (1057, 24560), (1208, 21490), (1228, 21140), (1510, 17192), (1535, 16912), (2114, 12280), (2149, 12080), (2416, 10745), (2456, 10570), (3020, 8596), (3070, 8456), (4228, 6140), (4298, 6040), (4912, 5285)]