51869180360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{290161}}^1$

素因数の和:290322

約数の個数: 64

約数和(自身を含む): 120649359600

約数和(自身を除く): 68780179240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 205, 218, 328, 410, 436, 545, 820, 872, 1090, 1640, 2180, 4360, 4469, 8938, 17876, 22345, 35752, 44690, 89380, 178760, 290161, 580322, 1160644, 1450805, 2321288, 2901610, 5803220, 11606440, 11896601, 23793202, 31627549, 47586404, 59483005, 63255098, 95172808, 118966010, 126510196, 158137745, 237932020, 253020392, 316275490, 475864040, 632550980, 1265101960, 1296729509, 2593459018, 5186918036, 6483647545, 10373836072, 12967295090, 25934590180, 51869180360]

約数ペア:

[(1, 51869180360), (2, 25934590180), (4, 12967295090), (5, 10373836072), (8, 6483647545), (10, 5186918036), (20, 2593459018), (40, 1296729509), (41, 1265101960), (82, 632550980), (109, 475864040), (164, 316275490), (205, 253020392), (218, 237932020), (328, 158137745), (410, 126510196), (436, 118966010), (545, 95172808), (820, 63255098), (872, 59483005), (1090, 47586404), (1640, 31627549), (2180, 23793202), (4360, 11896601), (4469, 11606440), (8938, 5803220), (17876, 2901610), (22345, 2321288), (35752, 1450805), (44690, 1160644), (89380, 580322), (178760, 290161)]