2689880

素因数分解:

$2^3\times 5^1\times {\mathrm{67247}}^1$

素因数の和:67258

約数の個数: 16

約数和(自身を含む): 6052320

約数和(自身を除く): 3362440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67247, 134494, 268988, 336235, 537976, 672470, 1344940, 2689880]

約数ペア:

[(1, 2689880), (2, 1344940), (4, 672470), (5, 537976), (8, 336235), (10, 268988), (20, 134494), (40, 67247)]