1443280

素因数分解:

$2^4\times 5^1\times {\mathrm{18041}}^1$

素因数の和:18054

約数の個数: 20

約数和(自身を含む): 3355812

約数和(自身を除く): 1912532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18041, 36082, 72164, 90205, 144328, 180410, 288656, 360820, 721640, 1443280]

約数ペア:

[(1, 1443280), (2, 721640), (4, 360820), (5, 288656), (8, 180410), (10, 144328), (16, 90205), (20, 72164), (40, 36082), (80, 18041)]