30866540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21737}}^1$

素因数の和:21817

約数の個数: 24

約数和(自身を含む): 65735712

約数和(自身を除く): 34869172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21737, 43474, 86948, 108685, 217370, 434740, 1543327, 3086654, 6173308, 7716635, 15433270, 30866540]

約数ペア:

[(1, 30866540), (2, 15433270), (4, 7716635), (5, 6173308), (10, 3086654), (20, 1543327), (71, 434740), (142, 217370), (284, 108685), (355, 86948), (710, 43474), (1420, 21737)]