1332212780

素因数分解:

$2^2\times 5^1\times {\mathrm{66610639}}^1$

素因数の和:66610648

約数の個数: 12

約数和(自身を含む): 2797646880

約数和(自身を除く): 1465434100

約数列:

[1, 2, 4, 5, 10, 20, 66610639, 133221278, 266442556, 333053195, 666106390, 1332212780]

約数ペア:

[(1, 1332212780), (2, 666106390), (4, 333053195), (5, 266442556), (10, 133221278), (20, 66610639)]