123238840

素因数分解:

$2^3\times 5^1\times {\mathrm{3080971}}^1$

素因数の和:3080982

約数の個数: 16

約数和(自身を含む): 277287480

約数和(自身を除く): 154048640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3080971, 6161942, 12323884, 15404855, 24647768, 30809710, 61619420, 123238840]

約数ペア:

[(1, 123238840), (2, 61619420), (4, 30809710), (5, 24647768), (8, 15404855), (10, 12323884), (20, 6161942), (40, 3080971)]