40394960

素因数分解:

$2^4\times 5^1\times {\mathrm{504937}}^1$

素因数の和:504950

約数の個数: 20

約数和(自身を含む): 93918468

約数和(自身を除く): 53523508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504937, 1009874, 2019748, 2524685, 4039496, 5049370, 8078992, 10098740, 20197480, 40394960]

約数ペア:

[(1, 40394960), (2, 20197480), (4, 10098740), (5, 8078992), (8, 5049370), (10, 4039496), (16, 2524685), (20, 2019748), (40, 1009874), (80, 504937)]