82990000

素因数分解:

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

素因数の和:264

約数の個数: 100

約数和(自身を含む): 206665096

約数和(自身を除く): 123675096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 193, 200, 215, 250, 344, 386, 400, 430, 500, 625, 688, 772, 860, 965, 1000, 1075, 1250, 1544, 1720, 1930, 2000, 2150, 2500, 3088, 3440, 3860, 4300, 4825, 5000, 5375, 7720, 8299, 8600, 9650, 10000, 10750, 15440, 16598, 17200, 19300, 21500, 24125, 26875, 33196, 38600, 41495, 43000, 48250, 53750, 66392, 77200, 82990, 86000, 96500, 107500, 120625, 132784, 165980, 193000, 207475, 215000, 241250, 331960, 386000, 414950, 430000, 482500, 663920, 829900, 965000, 1037375, 1659800, 1930000, 2074750, 3319600, 4149500, 5186875, 8299000, 10373750, 16598000, 20747500, 41495000, 82990000]

約数ペア:

[(1, 82990000), (2, 41495000), (4, 20747500), (5, 16598000), (8, 10373750), (10, 8299000), (16, 5186875), (20, 4149500), (25, 3319600), (40, 2074750), (43, 1930000), (50, 1659800), (80, 1037375), (86, 965000), (100, 829900), (125, 663920), (172, 482500), (193, 430000), (200, 414950), (215, 386000), (250, 331960), (344, 241250), (386, 215000), (400, 207475), (430, 193000), (500, 165980), (625, 132784), (688, 120625), (772, 107500), (860, 96500), (965, 86000), (1000, 82990), (1075, 77200), (1250, 66392), (1544, 53750), (1720, 48250), (1930, 43000), (2000, 41495), (2150, 38600), (2500, 33196), (3088, 26875), (3440, 24125), (3860, 21500), (4300, 19300), (4825, 17200), (5000, 16598), (5375, 15440), (7720, 10750), (8299, 10000), (8600, 9650)]