55298000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 80

約数和(自身を含む): 137032896

約数和(自身を除く): 81734896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 250, 344, 400, 430, 500, 643, 688, 860, 1000, 1075, 1286, 1720, 2000, 2150, 2572, 3215, 3440, 4300, 5144, 5375, 6430, 8600, 10288, 10750, 12860, 16075, 17200, 21500, 25720, 27649, 32150, 43000, 51440, 55298, 64300, 80375, 86000, 110596, 128600, 138245, 160750, 221192, 257200, 276490, 321500, 442384, 552980, 643000, 691225, 1105960, 1286000, 1382450, 2211920, 2764900, 3456125, 5529800, 6912250, 11059600, 13824500, 27649000, 55298000]

約数ペア:

[(1, 55298000), (2, 27649000), (4, 13824500), (5, 11059600), (8, 6912250), (10, 5529800), (16, 3456125), (20, 2764900), (25, 2211920), (40, 1382450), (43, 1286000), (50, 1105960), (80, 691225), (86, 643000), (100, 552980), (125, 442384), (172, 321500), (200, 276490), (215, 257200), (250, 221192), (344, 160750), (400, 138245), (430, 128600), (500, 110596), (643, 86000), (688, 80375), (860, 64300), (1000, 55298), (1075, 51440), (1286, 43000), (1720, 32150), (2000, 27649), (2150, 25720), (2572, 21500), (3215, 17200), (3440, 16075), (4300, 12860), (5144, 10750), (5375, 10288), (6430, 8600)]