2560986440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1\times {\mathrm{3083}}^1$

素因数の和:4206

約数の個数: 64

約数和(自身を含む): 6073012800

約数和(自身を除く): 3512026360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1093, 2186, 3083, 4372, 5465, 6166, 8744, 10930, 12332, 15415, 20767, 21860, 24664, 30830, 41534, 43720, 58577, 61660, 83068, 103835, 117154, 123320, 166136, 207670, 234308, 292885, 415340, 468616, 585770, 830680, 1171540, 2343080, 3369719, 6739438, 13478876, 16848595, 26957752, 33697190, 64024661, 67394380, 128049322, 134788760, 256098644, 320123305, 512197288, 640246610, 1280493220, 2560986440]

約数ペア:

[(1, 2560986440), (2, 1280493220), (4, 640246610), (5, 512197288), (8, 320123305), (10, 256098644), (19, 134788760), (20, 128049322), (38, 67394380), (40, 64024661), (76, 33697190), (95, 26957752), (152, 16848595), (190, 13478876), (380, 6739438), (760, 3369719), (1093, 2343080), (2186, 1171540), (3083, 830680), (4372, 585770), (5465, 468616), (6166, 415340), (8744, 292885), (10930, 234308), (12332, 207670), (15415, 166136), (20767, 123320), (21860, 117154), (24664, 103835), (30830, 83068), (41534, 61660), (43720, 58577)]