80521370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{941}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 149212800

約数和(自身を除く): 68691430

約数列:

[1, 2, 5, 10, 43, 86, 199, 215, 398, 430, 941, 995, 1882, 1990, 4705, 8557, 9410, 17114, 40463, 42785, 80926, 85570, 187259, 202315, 374518, 404630, 936295, 1872590, 8052137, 16104274, 40260685, 80521370]

約数ペア:

[(1, 80521370), (2, 40260685), (5, 16104274), (10, 8052137), (43, 1872590), (86, 936295), (199, 404630), (215, 374518), (398, 202315), (430, 187259), (941, 85570), (995, 80926), (1882, 42785), (1990, 40463), (4705, 17114), (8557, 9410)]