51889040

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 147609600

約数和(自身を除く): 95720560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 61, 62, 70, 80, 98, 112, 122, 124, 140, 155, 196, 217, 244, 245, 248, 280, 305, 310, 343, 392, 427, 434, 488, 490, 496, 560, 610, 620, 686, 784, 854, 868, 976, 980, 1085, 1220, 1240, 1372, 1519, 1708, 1715, 1736, 1891, 1960, 2135, 2170, 2440, 2480, 2744, 2989, 3038, 3416, 3430, 3472, 3782, 3920, 4270, 4340, 4880, 5488, 5978, 6076, 6832, 6860, 7564, 7595, 8540, 8680, 9455, 10633, 11956, 12152, 13237, 13720, 14945, 15128, 15190, 17080, 17360, 18910, 20923, 21266, 23912, 24304, 26474, 27440, 29890, 30256, 30380, 34160, 37820, 41846, 42532, 47824, 52948, 53165, 59780, 60760, 66185, 75640, 83692, 85064, 92659, 104615, 105896, 106330, 119560, 121520, 132370, 151280, 167384, 170128, 185318, 209230, 211792, 212660, 239120, 264740, 334768, 370636, 418460, 425320, 463295, 529480, 648613, 741272, 836920, 850640, 926590, 1058960, 1297226, 1482544, 1673840, 1853180, 2594452, 3243065, 3706360, 5188904, 6486130, 7412720, 10377808, 12972260, 25944520, 51889040]

約数ペア:

[(1, 51889040), (2, 25944520), (4, 12972260), (5, 10377808), (7, 7412720), (8, 6486130), (10, 5188904), (14, 3706360), (16, 3243065), (20, 2594452), (28, 1853180), (31, 1673840), (35, 1482544), (40, 1297226), (49, 1058960), (56, 926590), (61, 850640), (62, 836920), (70, 741272), (80, 648613), (98, 529480), (112, 463295), (122, 425320), (124, 418460), (140, 370636), (155, 334768), (196, 264740), (217, 239120), (244, 212660), (245, 211792), (248, 209230), (280, 185318), (305, 170128), (310, 167384), (343, 151280), (392, 132370), (427, 121520), (434, 119560), (488, 106330), (490, 105896), (496, 104615), (560, 92659), (610, 85064), (620, 83692), (686, 75640), (784, 66185), (854, 60760), (868, 59780), (976, 53165), (980, 52948), (1085, 47824), (1220, 42532), (1240, 41846), (1372, 37820), (1519, 34160), (1708, 30380), (1715, 30256), (1736, 29890), (1891, 27440), (1960, 26474), (2135, 24304), (2170, 23912), (2440, 21266), (2480, 20923), (2744, 18910), (2989, 17360), (3038, 17080), (3416, 15190), (3430, 15128), (3472, 14945), (3782, 13720), (3920, 13237), (4270, 12152), (4340, 11956), (4880, 10633), (5488, 9455), (5978, 8680), (6076, 8540), (6832, 7595), (6860, 7564)]