131969960

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{3823}}^1$

素因数の和:4697

約数の個数: 32

約数和(自身を含む): 297354240

約数和(自身を除く): 165384280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 3823, 4315, 6904, 7646, 8630, 15292, 17260, 19115, 30584, 34520, 38230, 76460, 152920, 3299249, 6598498, 13196996, 16496245, 26393992, 32992490, 65984980, 131969960]

約数ペア:

[(1, 131969960), (2, 65984980), (4, 32992490), (5, 26393992), (8, 16496245), (10, 13196996), (20, 6598498), (40, 3299249), (863, 152920), (1726, 76460), (3452, 38230), (3823, 34520), (4315, 30584), (6904, 19115), (7646, 17260), (8630, 15292)]