27500884240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{18257}}^1$

素因数の和:19280

約数の個数: 80

約数和(自身を含む): 67376401920

約数和(自身を除く): 39875517680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 991, 1520, 1982, 3964, 4955, 7928, 9910, 15856, 18257, 18829, 19820, 36514, 37658, 39640, 73028, 75316, 79280, 91285, 94145, 146056, 150632, 182570, 188290, 292112, 301264, 346883, 365140, 376580, 693766, 730280, 753160, 1387532, 1460560, 1506320, 1734415, 2775064, 3468830, 5550128, 6937660, 13875320, 18092687, 27750640, 36185374, 72370748, 90463435, 144741496, 180926870, 289482992, 343761053, 361853740, 687522106, 723707480, 1375044212, 1447414960, 1718805265, 2750088424, 3437610530, 5500176848, 6875221060, 13750442120, 27500884240]

約数ペア:

[(1, 27500884240), (2, 13750442120), (4, 6875221060), (5, 5500176848), (8, 3437610530), (10, 2750088424), (16, 1718805265), (19, 1447414960), (20, 1375044212), (38, 723707480), (40, 687522106), (76, 361853740), (80, 343761053), (95, 289482992), (152, 180926870), (190, 144741496), (304, 90463435), (380, 72370748), (760, 36185374), (991, 27750640), (1520, 18092687), (1982, 13875320), (3964, 6937660), (4955, 5550128), (7928, 3468830), (9910, 2775064), (15856, 1734415), (18257, 1506320), (18829, 1460560), (19820, 1387532), (36514, 753160), (37658, 730280), (39640, 693766), (73028, 376580), (75316, 365140), (79280, 346883), (91285, 301264), (94145, 292112), (146056, 188290), (150632, 182570)]