71960840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257003}}^1$

素因数の和:257021

約数の個数: 32

約数和(自身を含む): 185042880

約数和(自身を除く): 113082040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257003, 514006, 1028012, 1285015, 1799021, 2056024, 2570030, 3598042, 5140060, 7196084, 8995105, 10280120, 14392168, 17990210, 35980420, 71960840]

約数ペア:

[(1, 71960840), (2, 35980420), (4, 17990210), (5, 14392168), (7, 10280120), (8, 8995105), (10, 7196084), (14, 5140060), (20, 3598042), (28, 2570030), (35, 2056024), (40, 1799021), (56, 1285015), (70, 1028012), (140, 514006), (280, 257003)]