1920007780

素因数分解:

$2^2\times 5^1\times {\mathrm{96000389}}^1$

素因数の和:96000398

約数の個数: 12

約数和(自身を含む): 4032016380

約数和(自身を除く): 2112008600

約数列:

[1, 2, 4, 5, 10, 20, 96000389, 192000778, 384001556, 480001945, 960003890, 1920007780]

約数ペア:

[(1, 1920007780), (2, 960003890), (4, 480001945), (5, 384001556), (10, 192000778), (20, 96000389)]