165264080

素因数分解:

$2^4\times 5^1\times {\mathrm{2065801}}^1$

素因数の和:2065814

約数の個数: 20

約数和(自身を含む): 384239172

約数和(自身を除く): 218975092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2065801, 4131602, 8263204, 10329005, 16526408, 20658010, 33052816, 41316020, 82632040, 165264080]

約数ペア:

[(1, 165264080), (2, 82632040), (4, 41316020), (5, 33052816), (8, 20658010), (10, 16526408), (16, 10329005), (20, 8263204), (40, 4131602), (80, 2065801)]