20140771040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{4999}}^1$

素因数の和:5189

約数の個数: 144

約数和(自身を含む): 51880500000

約数和(自身を除く): 31739728960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 149, 160, 169, 208, 260, 298, 338, 416, 520, 596, 676, 745, 845, 1040, 1192, 1352, 1490, 1690, 1937, 2080, 2384, 2704, 2980, 3380, 3874, 4768, 4999, 5408, 5960, 6760, 7748, 9685, 9998, 11920, 13520, 15496, 19370, 19996, 23840, 24995, 25181, 27040, 30992, 38740, 39992, 49990, 50362, 61984, 64987, 77480, 79984, 99980, 100724, 125905, 129974, 154960, 159968, 199960, 201448, 251810, 259948, 309920, 324935, 399920, 402896, 503620, 519896, 649870, 744851, 799840, 805792, 844831, 1007240, 1039792, 1299740, 1489702, 1689662, 2014480, 2079584, 2599480, 2979404, 3379324, 3724255, 4028960, 4224155, 5198960, 5958808, 6758648, 7448510, 8448310, 9683063, 10397920, 11917616, 13517296, 14897020, 16896620, 19366126, 23835232, 27034592, 29794040, 33793240, 38732252, 48415315, 59588080, 67586480, 77464504, 96830630, 119176160, 125879819, 135172960, 154929008, 193661260, 251759638, 309858016, 387322520, 503519276, 629399095, 774645040, 1007038552, 1258798190, 1549290080, 2014077104, 2517596380, 4028154208, 5035192760, 10070385520, 20140771040]

約数ペア:

[(1, 20140771040), (2, 10070385520), (4, 5035192760), (5, 4028154208), (8, 2517596380), (10, 2014077104), (13, 1549290080), (16, 1258798190), (20, 1007038552), (26, 774645040), (32, 629399095), (40, 503519276), (52, 387322520), (65, 309858016), (80, 251759638), (104, 193661260), (130, 154929008), (149, 135172960), (160, 125879819), (169, 119176160), (208, 96830630), (260, 77464504), (298, 67586480), (338, 59588080), (416, 48415315), (520, 38732252), (596, 33793240), (676, 29794040), (745, 27034592), (845, 23835232), (1040, 19366126), (1192, 16896620), (1352, 14897020), (1490, 13517296), (1690, 11917616), (1937, 10397920), (2080, 9683063), (2384, 8448310), (2704, 7448510), (2980, 6758648), (3380, 5958808), (3874, 5198960), (4768, 4224155), (4999, 4028960), (5408, 3724255), (5960, 3379324), (6760, 2979404), (7748, 2599480), (9685, 2079584), (9998, 2014480), (11920, 1689662), (13520, 1489702), (15496, 1299740), (19370, 1039792), (19996, 1007240), (23840, 844831), (24995, 805792), (25181, 799840), (27040, 744851), (30992, 649870), (38740, 519896), (39992, 503620), (49990, 402896), (50362, 399920), (61984, 324935), (64987, 309920), (77480, 259948), (79984, 251810), (99980, 201448), (100724, 199960), (125905, 159968), (129974, 154960)]