8989340

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1709}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 18960480

約数和(自身を除く): 9971140

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1709, 2630, 3418, 5260, 6836, 8545, 17090, 34180, 449467, 898934, 1797868, 2247335, 4494670, 8989340]

約数ペア:

[(1, 8989340), (2, 4494670), (4, 2247335), (5, 1797868), (10, 898934), (20, 449467), (263, 34180), (526, 17090), (1052, 8545), (1315, 6836), (1709, 5260), (2630, 3418)]