1320208210

素因数分解:

$2^1\times 5^1\times {\mathrm{2069}}^1\times {\mathrm{63809}}^1$

素因数の和:65885

約数の個数: 16

約数和(自身を含む): 2377560600

約数和(自身を除く): 1057352390

約数列:

[1, 2, 5, 10, 2069, 4138, 10345, 20690, 63809, 127618, 319045, 638090, 132020821, 264041642, 660104105, 1320208210]

約数ペア:

[(1, 1320208210), (2, 660104105), (5, 264041642), (10, 132020821), (2069, 638090), (4138, 319045), (10345, 127618), (20690, 63809)]