40986640

素因数分解:

$2^4\times 5^1\times {\mathrm{512333}}^1$

素因数の和:512346

約数の個数: 20

約数和(自身を含む): 95294124

約数和(自身を除く): 54307484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 512333, 1024666, 2049332, 2561665, 4098664, 5123330, 8197328, 10246660, 20493320, 40986640]

約数ペア:

[(1, 40986640), (2, 20493320), (4, 10246660), (5, 8197328), (8, 5123330), (10, 4098664), (16, 2561665), (20, 2049332), (40, 1024666), (80, 512333)]