8983280

素因数分解:

$2^4\times 5^1\times {\mathrm{112291}}^1$

素因数の和:112304

約数の個数: 20

約数和(自身を含む): 20886312

約数和(自身を除く): 11903032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112291, 224582, 449164, 561455, 898328, 1122910, 1796656, 2245820, 4491640, 8983280]

約数ペア:

[(1, 8983280), (2, 4491640), (4, 2245820), (5, 1796656), (8, 1122910), (10, 898328), (16, 561455), (20, 449164), (40, 224582), (80, 112291)]