16948400780

素因数分解:

$2^2\times 5^1\times {\mathrm{847420039}}^1$

素因数の和:847420048

約数の個数: 12

約数和(自身を含む): 35591641680

約数和(自身を除く): 18643240900

約数列:

[1, 2, 4, 5, 10, 20, 847420039, 1694840078, 3389680156, 4237100195, 8474200390, 16948400780]

約数ペア:

[(1, 16948400780), (2, 8474200390), (4, 4237100195), (5, 3389680156), (10, 1694840078), (20, 847420039)]