66135760

素因数分解:

$2^4\times 5^1\times {\mathrm{826697}}^1$

素因数の和:826710

約数の個数: 20

約数和(自身を含む): 153765828

約数和(自身を除く): 87630068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826697, 1653394, 3306788, 4133485, 6613576, 8266970, 13227152, 16533940, 33067880, 66135760]

約数ペア:

[(1, 66135760), (2, 33067880), (4, 16533940), (5, 13227152), (8, 8266970), (10, 6613576), (16, 4133485), (20, 3306788), (40, 1653394), (80, 826697)]