16168840

素因数分解:

$2^3\times 5^1\times {\mathrm{404221}}^1$

素因数の和:404232

約数の個数: 16

約数和(自身を含む): 36379980

約数和(自身を除く): 20211140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 404221, 808442, 1616884, 2021105, 3233768, 4042210, 8084420, 16168840]

約数ペア:

[(1, 16168840), (2, 8084420), (4, 4042210), (5, 3233768), (8, 2021105), (10, 1616884), (20, 808442), (40, 404221)]