320410820

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{7669}}^1$

素因数の和:9767

約数の個数: 24

約数和(自身を含む): 673272600

約数和(自身を除く): 352861780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 4178, 7669, 8356, 10445, 15338, 20890, 30676, 38345, 41780, 76690, 153380, 16020541, 32041082, 64082164, 80102705, 160205410, 320410820]

約数ペア:

[(1, 320410820), (2, 160205410), (4, 80102705), (5, 64082164), (10, 32041082), (20, 16020541), (2089, 153380), (4178, 76690), (7669, 41780), (8356, 38345), (10445, 30676), (15338, 20890)]