81080030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{426737}}^1$

素因数の和:426763

約数の個数: 16

約数和(自身を含む): 153625680

約数和(自身を除く): 72545650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 426737, 853474, 2133685, 4267370, 8108003, 16216006, 40540015, 81080030]

約数ペア:

[(1, 81080030), (2, 40540015), (5, 16216006), (10, 8108003), (19, 4267370), (38, 2133685), (95, 853474), (190, 426737)]