26980220

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4003}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 56840784

約数和(自身を除く): 29860564

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3370, 4003, 6740, 8006, 16012, 20015, 40030, 80060, 1349011, 2698022, 5396044, 6745055, 13490110, 26980220]

約数ペア:

[(1, 26980220), (2, 13490110), (4, 6745055), (5, 5396044), (10, 2698022), (20, 1349011), (337, 80060), (674, 40030), (1348, 20015), (1685, 16012), (3370, 8006), (4003, 6740)]