268880

素因数分解:

$2^4\times 5^1\times {\mathrm{3361}}^1$

素因数の和:3374

約数の個数: 20

約数和(自身を含む): 625332

約数和(自身を除く): 356452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3361, 6722, 13444, 16805, 26888, 33610, 53776, 67220, 134440, 268880]

約数ペア:

[(1, 268880), (2, 134440), (4, 67220), (5, 53776), (8, 33610), (10, 26888), (16, 16805), (20, 13444), (40, 6722), (80, 3361)]