12519920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 33807360

約数和(自身を除く): 21287440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 283, 316, 395, 553, 560, 566, 632, 790, 1106, 1132, 1264, 1415, 1580, 1981, 2212, 2264, 2765, 2830, 3160, 3962, 4424, 4528, 5530, 5660, 6320, 7924, 8848, 9905, 11060, 11320, 15848, 19810, 22120, 22357, 22640, 31696, 39620, 44240, 44714, 79240, 89428, 111785, 156499, 158480, 178856, 223570, 312998, 357712, 447140, 625996, 782495, 894280, 1251992, 1564990, 1788560, 2503984, 3129980, 6259960, 12519920]

約数ペア:

[(1, 12519920), (2, 6259960), (4, 3129980), (5, 2503984), (7, 1788560), (8, 1564990), (10, 1251992), (14, 894280), (16, 782495), (20, 625996), (28, 447140), (35, 357712), (40, 312998), (56, 223570), (70, 178856), (79, 158480), (80, 156499), (112, 111785), (140, 89428), (158, 79240), (280, 44714), (283, 44240), (316, 39620), (395, 31696), (553, 22640), (560, 22357), (566, 22120), (632, 19810), (790, 15848), (1106, 11320), (1132, 11060), (1264, 9905), (1415, 8848), (1580, 7924), (1981, 6320), (2212, 5660), (2264, 5530), (2765, 4528), (2830, 4424), (3160, 3962)]