56957780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 74283820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1301, 1990, 2189, 2602, 3980, 4378, 5204, 6505, 8756, 10945, 13010, 14311, 21890, 26020, 28622, 43780, 57244, 71555, 143110, 258899, 286220, 517798, 1035596, 1294495, 2588990, 2847889, 5177980, 5695778, 11391556, 14239445, 28478890, 56957780]

約数ペア:

[(1, 56957780), (2, 28478890), (4, 14239445), (5, 11391556), (10, 5695778), (11, 5177980), (20, 2847889), (22, 2588990), (44, 1294495), (55, 1035596), (110, 517798), (199, 286220), (220, 258899), (398, 143110), (796, 71555), (995, 57244), (1301, 43780), (1990, 28622), (2189, 26020), (2602, 21890), (3980, 14311), (4378, 13010), (5204, 10945), (6505, 8756)]