66267920

素因数分解:

$2^4\times 5^1\times {\mathrm{828349}}^1$

素因数の和:828362

約数の個数: 20

約数和(自身を含む): 154073100

約数和(自身を除く): 87805180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 828349, 1656698, 3313396, 4141745, 6626792, 8283490, 13253584, 16566980, 33133960, 66267920]

約数ペア:

[(1, 66267920), (2, 33133960), (4, 16566980), (5, 13253584), (8, 8283490), (10, 6626792), (16, 4141745), (20, 3313396), (40, 1656698), (80, 828349)]