1388736040

素因数分解:

$2^3\times 5^1\times {\mathrm{34718401}}^1$

素因数の和:34718412

約数の個数: 16

約数和(自身を含む): 3124656180

約数和(自身を除く): 1735920140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 34718401, 69436802, 138873604, 173592005, 277747208, 347184010, 694368020, 1388736040]

約数ペア:

[(1, 1388736040), (2, 694368020), (4, 347184010), (5, 277747208), (8, 173592005), (10, 138873604), (20, 69436802), (40, 34718401)]