80909810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197341}}^1$

素因数の和:197389

約数の個数: 16

約数和(自身を含む): 149190552

約数和(自身を除く): 68280742

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 197341, 394682, 986705, 1973410, 8090981, 16181962, 40454905, 80909810]

約数ペア:

[(1, 80909810), (2, 40454905), (5, 16181962), (10, 8090981), (41, 1973410), (82, 986705), (205, 394682), (410, 197341)]