200091820

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{6719}}^1$

素因数の和:8217

約数の個数: 24

約数和(自身を含む): 420537600

約数和(自身を除く): 220445780

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 6719, 7445, 13438, 14890, 26876, 29780, 33595, 67190, 134380, 10004591, 20009182, 40018364, 50022955, 100045910, 200091820]

約数ペア:

[(1, 200091820), (2, 100045910), (4, 50022955), (5, 40018364), (10, 20009182), (20, 10004591), (1489, 134380), (2978, 67190), (5956, 33595), (6719, 29780), (7445, 26876), (13438, 14890)]