133084180

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{15439}}^1$

素因数の和:15879

約数の個数: 24

約数和(自身を含む): 280143360

約数和(自身を除く): 147059180

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 15439, 30878, 61756, 77195, 154390, 308780, 6654209, 13308418, 26616836, 33271045, 66542090, 133084180]

約数ペア:

[(1, 133084180), (2, 66542090), (4, 33271045), (5, 26616836), (10, 13308418), (20, 6654209), (431, 308780), (862, 154390), (1724, 77195), (2155, 61756), (4310, 30878), (8620, 15439)]