80823568

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 60

約数和(自身を含む): 188976000

約数和(自身を除く): 108152432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 722, 1064, 1444, 1999, 2128, 2527, 2888, 3998, 5054, 5776, 7996, 10108, 13993, 15992, 20216, 27986, 31984, 37981, 40432, 55972, 75962, 111944, 151924, 223888, 265867, 303848, 531734, 607696, 721639, 1063468, 1443278, 2126936, 2886556, 4253872, 5051473, 5773112, 10102946, 11546224, 20205892, 40411784, 80823568]

約数ペア:

[(1, 80823568), (2, 40411784), (4, 20205892), (7, 11546224), (8, 10102946), (14, 5773112), (16, 5051473), (19, 4253872), (28, 2886556), (38, 2126936), (56, 1443278), (76, 1063468), (112, 721639), (133, 607696), (152, 531734), (266, 303848), (304, 265867), (361, 223888), (532, 151924), (722, 111944), (1064, 75962), (1444, 55972), (1999, 40432), (2128, 37981), (2527, 31984), (2888, 27986), (3998, 20216), (5054, 15992), (5776, 13993), (7996, 10108)]