71351920

素因数分解:

$2^4\times 5^1\times {\mathrm{891899}}^1$

素因数の和:891912

約数の個数: 20

約数和(自身を含む): 165893400

約数和(自身を除く): 94541480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891899, 1783798, 3567596, 4459495, 7135192, 8918990, 14270384, 17837980, 35675960, 71351920]

約数ペア:

[(1, 71351920), (2, 35675960), (4, 17837980), (5, 14270384), (8, 8918990), (10, 7135192), (16, 4459495), (20, 3567596), (40, 1783798), (80, 891899)]