6899440

素因数分解:

$2^4\times 5^1\times {\mathrm{86243}}^1$

素因数の和:86256

約数の個数: 20

約数和(自身を含む): 16041384

約数和(自身を除く): 9141944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 86243, 172486, 344972, 431215, 689944, 862430, 1379888, 1724860, 3449720, 6899440]

約数ペア:

[(1, 6899440), (2, 3449720), (4, 1724860), (5, 1379888), (8, 862430), (10, 689944), (16, 431215), (20, 344972), (40, 172486), (80, 86243)]