13559440

素因数分解:

$2^4\times 5^1\times {\mathrm{169493}}^1$

素因数の和:169506

約数の個数: 20

約数和(自身を含む): 31525884

約数和(自身を除く): 17966444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 169493, 338986, 677972, 847465, 1355944, 1694930, 2711888, 3389860, 6779720, 13559440]

約数ペア:

[(1, 13559440), (2, 6779720), (4, 3389860), (5, 2711888), (8, 1694930), (10, 1355944), (16, 847465), (20, 677972), (40, 338986), (80, 169493)]