22315760

素因数分解:

$2^4\times 5^1\times {\mathrm{278947}}^1$

素因数の和:278960

約数の個数: 20

約数和(自身を含む): 51884328

約数和(自身を除く): 29568568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278947, 557894, 1115788, 1394735, 2231576, 2789470, 4463152, 5578940, 11157880, 22315760]

約数ペア:

[(1, 22315760), (2, 11157880), (4, 5578940), (5, 4463152), (8, 2789470), (10, 2231576), (16, 1394735), (20, 1115788), (40, 557894), (80, 278947)]