13750480

素因数分解:

$2^4\times 5^1\times {\mathrm{171881}}^1$

素因数の和:171894

約数の個数: 20

約数和(自身を含む): 31970052

約数和(自身を除く): 18219572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171881, 343762, 687524, 859405, 1375048, 1718810, 2750096, 3437620, 6875240, 13750480]

約数ペア:

[(1, 13750480), (2, 6875240), (4, 3437620), (5, 2750096), (8, 1718810), (10, 1375048), (16, 859405), (20, 687524), (40, 343762), (80, 171881)]