2808880

素因数分解:

$2^4\times 5^1\times {\mathrm{35111}}^1$

素因数の和:35124

約数の個数: 20

約数和(自身を含む): 6530832

約数和(自身を除く): 3721952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35111, 70222, 140444, 175555, 280888, 351110, 561776, 702220, 1404440, 2808880]

約数ペア:

[(1, 2808880), (2, 1404440), (4, 702220), (5, 561776), (8, 351110), (10, 280888), (16, 175555), (20, 140444), (40, 70222), (80, 35111)]