16866160

素因数分解:

$2^4\times 5^1\times {\mathrm{210827}}^1$

素因数の和:210840

約数の個数: 20

約数和(自身を含む): 39214008

約数和(自身を除く): 22347848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210827, 421654, 843308, 1054135, 1686616, 2108270, 3373232, 4216540, 8433080, 16866160]

約数ペア:

[(1, 16866160), (2, 8433080), (4, 4216540), (5, 3373232), (8, 2108270), (10, 1686616), (16, 1054135), (20, 843308), (40, 421654), (80, 210827)]