21880884080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24864641}}^1$

素因数の和:24864665

約数の個数: 40

約数和(自身を含む): 55497880944

約数和(自身を除く): 33616996864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24864641, 49729282, 99458564, 124323205, 198917128, 248646410, 273511051, 397834256, 497292820, 547022102, 994585640, 1094044204, 1367555255, 1989171280, 2188088408, 2735110510, 4376176816, 5470221020, 10940442040, 21880884080]

約数ペア:

[(1, 21880884080), (2, 10940442040), (4, 5470221020), (5, 4376176816), (8, 2735110510), (10, 2188088408), (11, 1989171280), (16, 1367555255), (20, 1094044204), (22, 994585640), (40, 547022102), (44, 497292820), (55, 397834256), (80, 273511051), (88, 248646410), (110, 198917128), (176, 124323205), (220, 99458564), (440, 49729282), (880, 24864641)]