16304720

素因数分解:

$2^4\times 5^1\times {\mathrm{203809}}^1$

素因数の和:203822

約数の個数: 20

約数和(自身を含む): 37908660

約数和(自身を除く): 21603940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203809, 407618, 815236, 1019045, 1630472, 2038090, 3260944, 4076180, 8152360, 16304720]

約数ペア:

[(1, 16304720), (2, 8152360), (4, 4076180), (5, 3260944), (8, 2038090), (10, 1630472), (16, 1019045), (20, 815236), (40, 407618), (80, 203809)]