129446120

素因数分解:

$2^3\times 5^1\times {\mathrm{3236153}}^1$

素因数の和:3236164

約数の個数: 16

約数和(自身を含む): 291253860

約数和(自身を除く): 161807740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3236153, 6472306, 12944612, 16180765, 25889224, 32361530, 64723060, 129446120]

約数ペア:

[(1, 129446120), (2, 64723060), (4, 32361530), (5, 25889224), (8, 16180765), (10, 12944612), (20, 6472306), (40, 3236153)]