201236080

素因数分解:

$2^4\times 5^1\times {\mathrm{2515451}}^1$

素因数の和:2515464

約数の個数: 20

約数和(自身を含む): 467874072

約数和(自身を除く): 266637992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515451, 5030902, 10061804, 12577255, 20123608, 25154510, 40247216, 50309020, 100618040, 201236080]

約数ペア:

[(1, 201236080), (2, 100618040), (4, 50309020), (5, 40247216), (8, 25154510), (10, 20123608), (16, 12577255), (20, 10061804), (40, 5030902), (80, 2515451)]