1377307780

素因数分解:

$2^2\times 5^1\times {\mathrm{68865389}}^1$

素因数の和:68865398

約数の個数: 12

約数和(自身を含む): 2892346380

約数和(自身を除く): 1515038600

約数列:

[1, 2, 4, 5, 10, 20, 68865389, 137730778, 275461556, 344326945, 688653890, 1377307780]

約数ペア:

[(1, 1377307780), (2, 688653890), (4, 344326945), (5, 275461556), (10, 137730778), (20, 68865389)]