189981080

素因数分解:

$2^3\times 5^1\times {\mathrm{4749527}}^1$

素因数の和:4749538

約数の個数: 16

約数和(自身を含む): 427457520

約数和(自身を除く): 237476440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4749527, 9499054, 18998108, 23747635, 37996216, 47495270, 94990540, 189981080]

約数ペア:

[(1, 189981080), (2, 94990540), (4, 47495270), (5, 37996216), (8, 23747635), (10, 18998108), (20, 9499054), (40, 4749527)]