166961680

素因数分解:

$2^4\times 5^1\times {\mathrm{2087021}}^1$

素因数の和:2087034

約数の個数: 20

約数和(自身を含む): 388186092

約数和(自身を除く): 221224412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2087021, 4174042, 8348084, 10435105, 16696168, 20870210, 33392336, 41740420, 83480840, 166961680]

約数ペア:

[(1, 166961680), (2, 83480840), (4, 41740420), (5, 33392336), (8, 20870210), (10, 16696168), (16, 10435105), (20, 8348084), (40, 4174042), (80, 2087021)]