129870040

素因数分解:

$2^3\times 5^1\times {\mathrm{3246751}}^1$

素因数の和:3246762

約数の個数: 16

約数和(自身を含む): 292207680

約数和(自身を除く): 162337640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3246751, 6493502, 12987004, 16233755, 25974008, 32467510, 64935020, 129870040]

約数ペア:

[(1, 129870040), (2, 64935020), (4, 32467510), (5, 25974008), (8, 16233755), (10, 12987004), (20, 6493502), (40, 3246751)]