12587260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89909}}^1$

素因数の和:89925

約数の個数: 24

約数和(自身を含む): 30209760

約数和(自身を除く): 17622500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89909, 179818, 359636, 449545, 629363, 899090, 1258726, 1798180, 2517452, 3146815, 6293630, 12587260]

約数ペア:

[(1, 12587260), (2, 6293630), (4, 3146815), (5, 2517452), (7, 1798180), (10, 1258726), (14, 899090), (20, 629363), (28, 449545), (35, 359636), (70, 179818), (140, 89909)]