2688897020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1233439}}^1$

素因数の和:1233557

約数の個数: 24

約数和(自身を含む): 5698492800

約数和(自身を除く): 3009595780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 1233439, 2466878, 4933756, 6167195, 12334390, 24668780, 134444851, 268889702, 537779404, 672224255, 1344448510, 2688897020]

約数ペア:

[(1, 2688897020), (2, 1344448510), (4, 672224255), (5, 537779404), (10, 268889702), (20, 134444851), (109, 24668780), (218, 12334390), (436, 6167195), (545, 4933756), (1090, 2466878), (2180, 1233439)]