20824815680

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1\times {\mathrm{983}}^1$

素因数の和:1516

約数の個数: 112

約数和(自身を含む): 50027189760

約数和(自身を除く): 29202374080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 277, 320, 478, 554, 956, 983, 1108, 1195, 1385, 1912, 1966, 2216, 2390, 2770, 3824, 3932, 4432, 4780, 4915, 5540, 7648, 7864, 8864, 9560, 9830, 11080, 15296, 15728, 17728, 19120, 19660, 22160, 31456, 38240, 39320, 44320, 62912, 66203, 76480, 78640, 88640, 132406, 157280, 234937, 264812, 272291, 314560, 331015, 469874, 529624, 544582, 662030, 939748, 1059248, 1089164, 1174685, 1324060, 1361455, 1879496, 2118496, 2178328, 2349370, 2648120, 2722910, 3758992, 4236992, 4356656, 4698740, 5296240, 5445820, 7517984, 8713312, 9397480, 10592480, 10891640, 15035968, 17426624, 18794960, 21184960, 21783280, 37589920, 43566560, 65077549, 75179840, 87133120, 130155098, 260310196, 325387745, 520620392, 650775490, 1041240784, 1301550980, 2082481568, 2603101960, 4164963136, 5206203920, 10412407840, 20824815680]

約数ペア:

[(1, 20824815680), (2, 10412407840), (4, 5206203920), (5, 4164963136), (8, 2603101960), (10, 2082481568), (16, 1301550980), (20, 1041240784), (32, 650775490), (40, 520620392), (64, 325387745), (80, 260310196), (160, 130155098), (239, 87133120), (277, 75179840), (320, 65077549), (478, 43566560), (554, 37589920), (956, 21783280), (983, 21184960), (1108, 18794960), (1195, 17426624), (1385, 15035968), (1912, 10891640), (1966, 10592480), (2216, 9397480), (2390, 8713312), (2770, 7517984), (3824, 5445820), (3932, 5296240), (4432, 4698740), (4780, 4356656), (4915, 4236992), (5540, 3758992), (7648, 2722910), (7864, 2648120), (8864, 2349370), (9560, 2178328), (9830, 2118496), (11080, 1879496), (15296, 1361455), (15728, 1324060), (17728, 1174685), (19120, 1089164), (19660, 1059248), (22160, 939748), (31456, 662030), (38240, 544582), (39320, 529624), (44320, 469874), (62912, 331015), (66203, 314560), (76480, 272291), (78640, 264812), (88640, 234937), (132406, 157280)]