80196040

素因数分解:

$2^3\times 5^1\times {\mathrm{2004901}}^1$

素因数の和:2004912

約数の個数: 16

約数和(自身を含む): 180441180

約数和(自身を除く): 100245140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2004901, 4009802, 8019604, 10024505, 16039208, 20049010, 40098020, 80196040]

約数ペア:

[(1, 80196040), (2, 40098020), (4, 20049010), (5, 16039208), (8, 10024505), (10, 8019604), (20, 4009802), (40, 2004901)]