6388880

素因数分解:

$2^4\times 5^1\times {\mathrm{79861}}^1$

素因数の和:79874

約数の個数: 20

約数和(自身を含む): 14854332

約数和(自身を除く): 8465452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 79861, 159722, 319444, 399305, 638888, 798610, 1277776, 1597220, 3194440, 6388880]

約数ペア:

[(1, 6388880), (2, 3194440), (4, 1597220), (5, 1277776), (8, 798610), (10, 638888), (16, 399305), (20, 319444), (40, 159722), (80, 79861)]