64500440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84869}}^1$

素因数の和:84899

約数の個数: 32

約数和(自身を含む): 152766000

約数和(自身を除く): 88265560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 84869, 169738, 339476, 424345, 678952, 848690, 1612511, 1697380, 3225022, 3394760, 6450044, 8062555, 12900088, 16125110, 32250220, 64500440]

約数ペア:

[(1, 64500440), (2, 32250220), (4, 16125110), (5, 12900088), (8, 8062555), (10, 6450044), (19, 3394760), (20, 3225022), (38, 1697380), (40, 1612511), (76, 848690), (95, 678952), (152, 424345), (190, 339476), (380, 169738), (760, 84869)]