11217680

素因数分解:

$2^4\times 5^1\times {\mathrm{140221}}^1$

素因数の和:140234

約数の個数: 20

約数和(自身を含む): 26081292

約数和(自身を除く): 14863612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 140221, 280442, 560884, 701105, 1121768, 1402210, 2243536, 2804420, 5608840, 11217680]

約数ペア:

[(1, 11217680), (2, 5608840), (4, 2804420), (5, 2243536), (8, 1402210), (10, 1121768), (16, 701105), (20, 560884), (40, 280442), (80, 140221)]