408554390480

素因数分解:

$2^4\times 5^1\times {\mathrm{5106929881}}^1$

素因数の和:5106929894

約数の個数: 20

約数和(自身を含む): 949888958052

約数和(自身を除く): 541334567572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5106929881, 10213859762, 20427719524, 25534649405, 40855439048, 51069298810, 81710878096, 102138597620, 204277195240, 408554390480]

約数ペア:

[(1, 408554390480), (2, 204277195240), (4, 102138597620), (5, 81710878096), (8, 51069298810), (10, 40855439048), (16, 25534649405), (20, 20427719524), (40, 10213859762), (80, 5106929881)]