168533080

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{8087}}^1$

素因数の和:8619

約数の個数: 32

約数和(自身を含む): 379974240

約数和(自身を除く): 211441160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 8087, 10420, 16174, 20840, 32348, 40435, 64696, 80870, 161740, 323480, 4213327, 8426654, 16853308, 21066635, 33706616, 42133270, 84266540, 168533080]

約数ペア:

[(1, 168533080), (2, 84266540), (4, 42133270), (5, 33706616), (8, 21066635), (10, 16853308), (20, 8426654), (40, 4213327), (521, 323480), (1042, 161740), (2084, 80870), (2605, 64696), (4168, 40435), (5210, 32348), (8087, 20840), (10420, 16174)]