2656720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3019}}^1$

素因数の和:3043

約数の個数: 40

約数和(自身を含む): 6740640

約数和(自身を除く): 4083920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3019, 6038, 12076, 15095, 24152, 30190, 33209, 48304, 60380, 66418, 120760, 132836, 166045, 241520, 265672, 332090, 531344, 664180, 1328360, 2656720]

約数ペア:

[(1, 2656720), (2, 1328360), (4, 664180), (5, 531344), (8, 332090), (10, 265672), (11, 241520), (16, 166045), (20, 132836), (22, 120760), (40, 66418), (44, 60380), (55, 48304), (80, 33209), (88, 30190), (110, 24152), (176, 15095), (220, 12076), (440, 6038), (880, 3019)]