168608840

素因数分解:

$2^3\times 5^1\times {\mathrm{4215221}}^1$

素因数の和:4215232

約数の個数: 16

約数和(自身を含む): 379369980

約数和(自身を除く): 210761140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4215221, 8430442, 16860884, 21076105, 33721768, 42152210, 84304420, 168608840]

約数ペア:

[(1, 168608840), (2, 84304420), (4, 42152210), (5, 33721768), (8, 21076105), (10, 16860884), (20, 8430442), (40, 4215221)]