138202040

素因数分解:

$2^3\times 5^1\times {\mathrm{3455051}}^1$

素因数の和:3455062

約数の個数: 16

約数和(自身を含む): 310954680

約数和(自身を除く): 172752640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3455051, 6910102, 13820204, 17275255, 27640408, 34550510, 69101020, 138202040]

約数ペア:

[(1, 138202040), (2, 69101020), (4, 34550510), (5, 27640408), (8, 17275255), (10, 13820204), (20, 6910102), (40, 3455051)]