22304720

素因数分解:

$2^4\times 5^1\times {\mathrm{278809}}^1$

素因数の和:278822

約数の個数: 20

約数和(自身を含む): 51858660

約数和(自身を除く): 29553940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278809, 557618, 1115236, 1394045, 2230472, 2788090, 4460944, 5576180, 11152360, 22304720]

約数ペア:

[(1, 22304720), (2, 11152360), (4, 5576180), (5, 4460944), (8, 2788090), (10, 2230472), (16, 1394045), (20, 1115236), (40, 557618), (80, 278809)]