51201920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1076

約数の個数: 128

約数和(自身を含む): 152755200

約数和(自身を除く): 101553280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1039, 1120, 1232, 1408, 1540, 1760, 2078, 2240, 2464, 3080, 3520, 4156, 4480, 4928, 5195, 6160, 7040, 7273, 8312, 9856, 10390, 11429, 12320, 14546, 16624, 20780, 22858, 24640, 29092, 33248, 36365, 41560, 45716, 49280, 57145, 58184, 66496, 72730, 80003, 83120, 91432, 114290, 116368, 132992, 145460, 160006, 166240, 182864, 228580, 232736, 290920, 320012, 332480, 365728, 400015, 457160, 465472, 581840, 640024, 664960, 731456, 800030, 914320, 930944, 1163680, 1280048, 1462912, 1600060, 1828640, 2327360, 2560096, 3200120, 3657280, 4654720, 5120192, 6400240, 7314560, 10240384, 12800480, 25600960, 51201920]

約数ペア:

[(1, 51201920), (2, 25600960), (4, 12800480), (5, 10240384), (7, 7314560), (8, 6400240), (10, 5120192), (11, 4654720), (14, 3657280), (16, 3200120), (20, 2560096), (22, 2327360), (28, 1828640), (32, 1600060), (35, 1462912), (40, 1280048), (44, 1163680), (55, 930944), (56, 914320), (64, 800030), (70, 731456), (77, 664960), (80, 640024), (88, 581840), (110, 465472), (112, 457160), (128, 400015), (140, 365728), (154, 332480), (160, 320012), (176, 290920), (220, 232736), (224, 228580), (280, 182864), (308, 166240), (320, 160006), (352, 145460), (385, 132992), (440, 116368), (448, 114290), (560, 91432), (616, 83120), (640, 80003), (704, 72730), (770, 66496), (880, 58184), (896, 57145), (1039, 49280), (1120, 45716), (1232, 41560), (1408, 36365), (1540, 33248), (1760, 29092), (2078, 24640), (2240, 22858), (2464, 20780), (3080, 16624), (3520, 14546), (4156, 12320), (4480, 11429), (4928, 10390), (5195, 9856), (6160, 8312), (7040, 7273)]