27649000

素因数分解:

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

素因数の和:707

約数の個数: 64

約数和(自身を含む): 66306240

約数和(自身を除く): 38657240

約数列:

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

約数ペア:

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