66620260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475859}}^1$

素因数の和:475875

約数の個数: 24

約数和(自身を含む): 159888960

約数和(自身を除く): 93268700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475859, 951718, 1903436, 2379295, 3331013, 4758590, 6662026, 9517180, 13324052, 16655065, 33310130, 66620260]

約数ペア:

[(1, 66620260), (2, 33310130), (4, 16655065), (5, 13324052), (7, 9517180), (10, 6662026), (14, 4758590), (20, 3331013), (28, 2379295), (35, 1903436), (70, 951718), (140, 475859)]