2080323076

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 4180856064

約数和(自身を除く): 2100532988

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 169, 338, 403, 481, 676, 806, 962, 1147, 1612, 1924, 2294, 2683, 4588, 5239, 5366, 6253, 10478, 10732, 12506, 14911, 20956, 25012, 29822, 34879, 59644, 69758, 83173, 99271, 139516, 166346, 193843, 198542, 332692, 387686, 397084, 453427, 775372, 906854, 1081249, 1290523, 1813708, 2162498, 2581046, 3077401, 4324996, 5162092, 6154802, 12309604, 14056237, 16776799, 28112474, 33553598, 40006213, 56224948, 67107196, 80012426, 160024852, 520080769, 1040161538, 2080323076]

約数ペア:

[(1, 2080323076), (2, 1040161538), (4, 520080769), (13, 160024852), (26, 80012426), (31, 67107196), (37, 56224948), (52, 40006213), (62, 33553598), (74, 28112474), (124, 16776799), (148, 14056237), (169, 12309604), (338, 6154802), (403, 5162092), (481, 4324996), (676, 3077401), (806, 2581046), (962, 2162498), (1147, 1813708), (1612, 1290523), (1924, 1081249), (2294, 906854), (2683, 775372), (4588, 453427), (5239, 397084), (5366, 387686), (6253, 332692), (10478, 198542), (10732, 193843), (12506, 166346), (14911, 139516), (20956, 99271), (25012, 83173), (29822, 69758), (34879, 59644)]