25873980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 79833600

約数和(自身を除く): 53959620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 197, 199, 220, 330, 394, 398, 591, 597, 660, 788, 796, 985, 995, 1182, 1194, 1970, 1990, 2167, 2189, 2364, 2388, 2955, 2985, 3940, 3980, 4334, 4378, 5910, 5970, 6501, 6567, 8668, 8756, 10835, 10945, 11820, 11940, 13002, 13134, 21670, 21890, 26004, 26268, 32505, 32835, 39203, 43340, 43780, 65010, 65670, 78406, 117609, 130020, 131340, 156812, 196015, 235218, 392030, 431233, 470436, 588045, 784060, 862466, 1176090, 1293699, 1724932, 2156165, 2352180, 2587398, 4312330, 5174796, 6468495, 8624660, 12936990, 25873980]

約数ペア:

[(1, 25873980), (2, 12936990), (3, 8624660), (4, 6468495), (5, 5174796), (6, 4312330), (10, 2587398), (11, 2352180), (12, 2156165), (15, 1724932), (20, 1293699), (22, 1176090), (30, 862466), (33, 784060), (44, 588045), (55, 470436), (60, 431233), (66, 392030), (110, 235218), (132, 196015), (165, 156812), (197, 131340), (199, 130020), (220, 117609), (330, 78406), (394, 65670), (398, 65010), (591, 43780), (597, 43340), (660, 39203), (788, 32835), (796, 32505), (985, 26268), (995, 26004), (1182, 21890), (1194, 21670), (1970, 13134), (1990, 13002), (2167, 11940), (2189, 11820), (2364, 10945), (2388, 10835), (2955, 8756), (2985, 8668), (3940, 6567), (3980, 6501), (4334, 5970), (4378, 5910)]