67656640

素因数分解:

$2^6\times 5^1\times {\mathrm{211427}}^1$

素因数の和:211444

約数の個数: 28

約数和(自身を含む): 161108136

約数和(自身を除く): 93451496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 211427, 422854, 845708, 1057135, 1691416, 2114270, 3382832, 4228540, 6765664, 8457080, 13531328, 16914160, 33828320, 67656640]

約数ペア:

[(1, 67656640), (2, 33828320), (4, 16914160), (5, 13531328), (8, 8457080), (10, 6765664), (16, 4228540), (20, 3382832), (32, 2114270), (40, 1691416), (64, 1057135), (80, 845708), (160, 422854), (320, 211427)]