22355440

素因数分解:

$2^4\times 5^1\times {\mathrm{279443}}^1$

素因数の和:279456

約数の個数: 20

約数和(自身を含む): 51976584

約数和(自身を除く): 29621144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279443, 558886, 1117772, 1397215, 2235544, 2794430, 4471088, 5588860, 11177720, 22355440]

約数ペア:

[(1, 22355440), (2, 11177720), (4, 5588860), (5, 4471088), (8, 2794430), (10, 2235544), (16, 1397215), (20, 1117772), (40, 558886), (80, 279443)]