1963559440

素因数分解:

$2^4\times 5^1\times {\mathrm{24544493}}^1$

素因数の和:24544506

約数の個数: 20

約数和(自身を含む): 4565275884

約数和(自身を除く): 2601716444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24544493, 49088986, 98177972, 122722465, 196355944, 245444930, 392711888, 490889860, 981779720, 1963559440]

約数ペア:

[(1, 1963559440), (2, 981779720), (4, 490889860), (5, 392711888), (8, 245444930), (10, 196355944), (16, 122722465), (20, 98177972), (40, 49088986), (80, 24544493)]