84080

素因数分解:

$2^4\times 5^1\times {\mathrm{1051}}^1$

素因数の和:1064

約数の個数: 20

約数和(自身を含む): 195672

約数和(自身を除く): 111592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1051, 2102, 4204, 5255, 8408, 10510, 16816, 21020, 42040, 84080]

約数ペア:

[(1, 84080), (2, 42040), (4, 21020), (5, 16816), (8, 10510), (10, 8408), (16, 5255), (20, 4204), (40, 2102), (80, 1051)]