28548560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 68307012

約数和(自身を除く): 39758452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 193, 215, 344, 386, 430, 688, 772, 860, 965, 1544, 1720, 1849, 1930, 3088, 3440, 3698, 3860, 7396, 7720, 8299, 9245, 14792, 15440, 16598, 18490, 29584, 33196, 36980, 41495, 66392, 73960, 82990, 132784, 147920, 165980, 331960, 356857, 663920, 713714, 1427428, 1784285, 2854856, 3568570, 5709712, 7137140, 14274280, 28548560]

約数ペア:

[(1, 28548560), (2, 14274280), (4, 7137140), (5, 5709712), (8, 3568570), (10, 2854856), (16, 1784285), (20, 1427428), (40, 713714), (43, 663920), (80, 356857), (86, 331960), (172, 165980), (193, 147920), (215, 132784), (344, 82990), (386, 73960), (430, 66392), (688, 41495), (772, 36980), (860, 33196), (965, 29584), (1544, 18490), (1720, 16598), (1849, 15440), (1930, 14792), (3088, 9245), (3440, 8299), (3698, 7720), (3860, 7396)]