40664008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 95800320

約数和(自身を除く): 55136312

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 251, 263, 308, 502, 526, 616, 1004, 1052, 1757, 1841, 2008, 2104, 2761, 2893, 3514, 3682, 5522, 5786, 7028, 7364, 11044, 11572, 14056, 14728, 19327, 20251, 22088, 23144, 38654, 40502, 66013, 77308, 81004, 132026, 154616, 162008, 264052, 462091, 528104, 726143, 924182, 1452286, 1848364, 2904572, 3696728, 5083001, 5809144, 10166002, 20332004, 40664008]

約数ペア:

[(1, 40664008), (2, 20332004), (4, 10166002), (7, 5809144), (8, 5083001), (11, 3696728), (14, 2904572), (22, 1848364), (28, 1452286), (44, 924182), (56, 726143), (77, 528104), (88, 462091), (154, 264052), (251, 162008), (263, 154616), (308, 132026), (502, 81004), (526, 77308), (616, 66013), (1004, 40502), (1052, 38654), (1757, 23144), (1841, 22088), (2008, 20251), (2104, 19327), (2761, 14728), (2893, 14056), (3514, 11572), (3682, 11044), (5522, 7364), (5786, 7028)]