138736040

素因数分解:

$2^3\times 5^1\times {\mathrm{3468401}}^1$

素因数の和:3468412

約数の個数: 16

約数和(自身を含む): 312156180

約数和(自身を除く): 173420140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3468401, 6936802, 13873604, 17342005, 27747208, 34684010, 69368020, 138736040]

約数ペア:

[(1, 138736040), (2, 69368020), (4, 34684010), (5, 27747208), (8, 17342005), (10, 13873604), (20, 6936802), (40, 3468401)]