81312880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92401}}^1$

素因数の和:92425

約数の個数: 40

約数和(自身を含む): 206241264

約数和(自身を除く): 124928384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92401, 184802, 369604, 462005, 739208, 924010, 1016411, 1478416, 1848020, 2032822, 3696040, 4065644, 5082055, 7392080, 8131288, 10164110, 16262576, 20328220, 40656440, 81312880]

約数ペア:

[(1, 81312880), (2, 40656440), (4, 20328220), (5, 16262576), (8, 10164110), (10, 8131288), (11, 7392080), (16, 5082055), (20, 4065644), (22, 3696040), (40, 2032822), (44, 1848020), (55, 1478416), (80, 1016411), (88, 924010), (110, 739208), (176, 462005), (220, 369604), (440, 184802), (880, 92401)]