2488840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 5734080

約数和(自身を除く): 3245240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1447, 1720, 2894, 5788, 7235, 11576, 14470, 28940, 57880, 62221, 124442, 248884, 311105, 497768, 622210, 1244420, 2488840]

約数ペア:

[(1, 2488840), (2, 1244420), (4, 622210), (5, 497768), (8, 311105), (10, 248884), (20, 124442), (40, 62221), (43, 57880), (86, 28940), (172, 14470), (215, 11576), (344, 7235), (430, 5788), (860, 2894), (1447, 1720)]