28284080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32141}}^1$

素因数の和:32165

約数の個数: 40

約数和(自身を含む): 71740944

約数和(自身を除く): 43456864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32141, 64282, 128564, 160705, 257128, 321410, 353551, 514256, 642820, 707102, 1285640, 1414204, 1767755, 2571280, 2828408, 3535510, 5656816, 7071020, 14142040, 28284080]

約数ペア:

[(1, 28284080), (2, 14142040), (4, 7071020), (5, 5656816), (8, 3535510), (10, 2828408), (11, 2571280), (16, 1767755), (20, 1414204), (22, 1285640), (40, 707102), (44, 642820), (55, 514256), (80, 353551), (88, 321410), (110, 257128), (176, 160705), (220, 128564), (440, 64282), (880, 32141)]