12779840

素因数分解:

$2^6\times 5^1\times {\mathrm{39937}}^1$

素因数の和:39954

約数の個数: 28

約数和(自身を含む): 30432756

約数和(自身を除く): 17652916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39937, 79874, 159748, 199685, 319496, 399370, 638992, 798740, 1277984, 1597480, 2555968, 3194960, 6389920, 12779840]

約数ペア:

[(1, 12779840), (2, 6389920), (4, 3194960), (5, 2555968), (8, 1597480), (10, 1277984), (16, 798740), (20, 638992), (32, 399370), (40, 319496), (64, 199685), (80, 159748), (160, 79874), (320, 39937)]