26804840

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1399}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 33675160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1399, 1916, 2395, 2798, 3832, 4790, 5596, 6995, 9580, 11192, 13990, 19160, 27980, 55960, 670121, 1340242, 2680484, 3350605, 5360968, 6701210, 13402420, 26804840]

約数ペア:

[(1, 26804840), (2, 13402420), (4, 6701210), (5, 5360968), (8, 3350605), (10, 2680484), (20, 1340242), (40, 670121), (479, 55960), (958, 27980), (1399, 19160), (1916, 13990), (2395, 11192), (2798, 9580), (3832, 6995), (4790, 5596)]