82028080

素因数分解:

$2^4\times 5^1\times {\mathrm{1025351}}^1$

素因数の和:1025364

約数の個数: 20

約数和(自身を含む): 190715472

約数和(自身を除く): 108687392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025351, 2050702, 4101404, 5126755, 8202808, 10253510, 16405616, 20507020, 41014040, 82028080]

約数ペア:

[(1, 82028080), (2, 41014040), (4, 20507020), (5, 16405616), (8, 10253510), (10, 8202808), (16, 5126755), (20, 4101404), (40, 2050702), (80, 1025351)]