26985680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4751}}^1$

素因数の和:4835

約数の個数: 40

約数和(自身を含む): 63638784

約数和(自身を除く): 36653104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4751, 5680, 9502, 19004, 23755, 38008, 47510, 76016, 95020, 190040, 337321, 380080, 674642, 1349284, 1686605, 2698568, 3373210, 5397136, 6746420, 13492840, 26985680]

約数ペア:

[(1, 26985680), (2, 13492840), (4, 6746420), (5, 5397136), (8, 3373210), (10, 2698568), (16, 1686605), (20, 1349284), (40, 674642), (71, 380080), (80, 337321), (142, 190040), (284, 95020), (355, 76016), (568, 47510), (710, 38008), (1136, 23755), (1420, 19004), (2840, 9502), (4751, 5680)]