16160840

素因数分解:

$2^3\times 5^1\times {\mathrm{404021}}^1$

素因数の和:404032

約数の個数: 16

約数和(自身を含む): 36361980

約数和(自身を除く): 20201140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 404021, 808042, 1616084, 2020105, 3232168, 4040210, 8080420, 16160840]

約数ペア:

[(1, 16160840), (2, 8080420), (4, 4040210), (5, 3232168), (8, 2020105), (10, 1616084), (20, 808042), (40, 404021)]