51439360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{5741}}^1$

素因数の和:5769

約数の個数: 72

約数和(自身を含む): 140839776

約数和(自身を除く): 89400416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 5741, 8960, 11482, 22964, 28705, 40187, 45928, 57410, 80374, 91856, 114820, 160748, 183712, 200935, 229640, 321496, 367424, 401870, 459280, 642992, 734848, 803740, 918560, 1285984, 1469696, 1607480, 1837120, 2571968, 3214960, 3674240, 5143936, 6429920, 7348480, 10287872, 12859840, 25719680, 51439360]

約数ペア:

[(1, 51439360), (2, 25719680), (4, 12859840), (5, 10287872), (7, 7348480), (8, 6429920), (10, 5143936), (14, 3674240), (16, 3214960), (20, 2571968), (28, 1837120), (32, 1607480), (35, 1469696), (40, 1285984), (56, 918560), (64, 803740), (70, 734848), (80, 642992), (112, 459280), (128, 401870), (140, 367424), (160, 321496), (224, 229640), (256, 200935), (280, 183712), (320, 160748), (448, 114820), (560, 91856), (640, 80374), (896, 57410), (1120, 45928), (1280, 40187), (1792, 28705), (2240, 22964), (4480, 11482), (5741, 8960)]