220164160

素因数分解:

$2^6\times 5^1\times {\mathrm{688013}}^1$

素因数の和:688030

約数の個数: 28

約数和(自身を含む): 524266668

約数和(自身を除く): 304102508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 688013, 1376026, 2752052, 3440065, 5504104, 6880130, 11008208, 13760260, 22016416, 27520520, 44032832, 55041040, 110082080, 220164160]

約数ペア:

[(1, 220164160), (2, 110082080), (4, 55041040), (5, 44032832), (8, 27520520), (10, 22016416), (16, 13760260), (20, 11008208), (32, 6880130), (40, 5504104), (64, 3440065), (80, 2752052), (160, 1376026), (320, 688013)]