3988258870

素因数分解:

$2^1\times 5^1\times {\mathrm{78401}}^1\times {\mathrm{5087}}^1$

素因数の和:83495

約数の個数: 16

約数和(自身を含む): 7180368768

約数和(自身を除く): 3192109898

約数列:

[1, 2, 5, 10, 5087, 10174, 25435, 50870, 78401, 156802, 392005, 784010, 398825887, 797651774, 1994129435, 3988258870]

約数ペア:

[(1, 3988258870), (2, 1994129435), (5, 797651774), (10, 398825887), (5087, 784010), (10174, 392005), (25435, 156802), (50870, 78401)]