83971120

素因数分解:

$2^4\times 5^1\times {\mathrm{1049639}}^1$

素因数の和:1049652

約数の個数: 20

約数和(自身を含む): 195233040

約数和(自身を除く): 111261920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049639, 2099278, 4198556, 5248195, 8397112, 10496390, 16794224, 20992780, 41985560, 83971120]

約数ペア:

[(1, 83971120), (2, 41985560), (4, 20992780), (5, 16794224), (8, 10496390), (10, 8397112), (16, 5248195), (20, 4198556), (40, 2099278), (80, 1049639)]