16197640

素因数分解:

$2^3\times 5^1\times {\mathrm{404941}}^1$

素因数の和:404952

約数の個数: 16

約数和(自身を含む): 36444780

約数和(自身を除く): 20247140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 404941, 809882, 1619764, 2024705, 3239528, 4049410, 8098820, 16197640]

約数ペア:

[(1, 16197640), (2, 8098820), (4, 4049410), (5, 3239528), (8, 2024705), (10, 1619764), (20, 809882), (40, 404941)]