56081560

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2029}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 126428400

約数和(自身を除く): 70346840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2029, 2764, 3455, 4058, 5528, 6910, 8116, 10145, 13820, 16232, 20290, 27640, 40580, 81160, 1402039, 2804078, 5608156, 7010195, 11216312, 14020390, 28040780, 56081560]

約数ペア:

[(1, 56081560), (2, 28040780), (4, 14020390), (5, 11216312), (8, 7010195), (10, 5608156), (20, 2804078), (40, 1402039), (691, 81160), (1382, 40580), (2029, 27640), (2764, 20290), (3455, 16232), (4058, 13820), (5528, 10145), (6910, 8116)]