81349000

素因数分解:

$2^3\times 5^3\times {\mathrm{81349}}^1$

素因数の和:81370

約数の個数: 32

約数和(自身を含む): 190359000

約数和(自身を除く): 109010000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 81349, 162698, 325396, 406745, 650792, 813490, 1626980, 2033725, 3253960, 4067450, 8134900, 10168625, 16269800, 20337250, 40674500, 81349000]

約数ペア:

[(1, 81349000), (2, 40674500), (4, 20337250), (5, 16269800), (8, 10168625), (10, 8134900), (20, 4067450), (25, 3253960), (40, 2033725), (50, 1626980), (100, 813490), (125, 650792), (200, 406745), (250, 325396), (500, 162698), (1000, 81349)]