64845290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7937}}^1$

素因数の和:8006

約数の個数: 32

約数和(自身を含む): 125737920

約数和(自身を除く): 60892630

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 7937, 8170, 15874, 39685, 79370, 150803, 301606, 341291, 682582, 754015, 1508030, 1706455, 3412910, 6484529, 12969058, 32422645, 64845290]

約数ペア:

[(1, 64845290), (2, 32422645), (5, 12969058), (10, 6484529), (19, 3412910), (38, 1706455), (43, 1508030), (86, 754015), (95, 682582), (190, 341291), (215, 301606), (430, 150803), (817, 79370), (1634, 39685), (4085, 15874), (7937, 8170)]