51064720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1448

約数の個数: 80

約数和(自身を含む): 137812608

約数和(自身を除く): 86747888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1361, 1876, 2345, 2680, 2722, 3752, 4690, 5360, 5444, 6805, 7504, 9380, 9527, 10888, 13610, 18760, 19054, 21776, 27220, 37520, 38108, 47635, 54440, 76216, 91187, 95270, 108880, 152432, 182374, 190540, 364748, 381080, 455935, 638309, 729496, 762160, 911870, 1276618, 1458992, 1823740, 2553236, 3191545, 3647480, 5106472, 6383090, 7294960, 10212944, 12766180, 25532360, 51064720]

約数ペア:

[(1, 51064720), (2, 25532360), (4, 12766180), (5, 10212944), (7, 7294960), (8, 6383090), (10, 5106472), (14, 3647480), (16, 3191545), (20, 2553236), (28, 1823740), (35, 1458992), (40, 1276618), (56, 911870), (67, 762160), (70, 729496), (80, 638309), (112, 455935), (134, 381080), (140, 364748), (268, 190540), (280, 182374), (335, 152432), (469, 108880), (536, 95270), (560, 91187), (670, 76216), (938, 54440), (1072, 47635), (1340, 38108), (1361, 37520), (1876, 27220), (2345, 21776), (2680, 19054), (2722, 18760), (3752, 13610), (4690, 10888), (5360, 9527), (5444, 9380), (6805, 7504)]