87312080

素因数分解:

$2^4\times 5^1\times {\mathrm{1091401}}^1$

素因数の和:1091414

約数の個数: 20

約数和(自身を含む): 203000772

約数和(自身を除く): 115688692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091401, 2182802, 4365604, 5457005, 8731208, 10914010, 17462416, 21828020, 43656040, 87312080]

約数ペア:

[(1, 87312080), (2, 43656040), (4, 21828020), (5, 17462416), (8, 10914010), (10, 8731208), (16, 5457005), (20, 4365604), (40, 2182802), (80, 1091401)]