27936640

素因数分解:

$2^7\times 5^1\times {\mathrm{43651}}^1$

素因数の和:43670

約数の個数: 32

約数和(自身を含む): 66787560

約数和(自身を除く): 38850920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 43651, 87302, 174604, 218255, 349208, 436510, 698416, 873020, 1396832, 1746040, 2793664, 3492080, 5587328, 6984160, 13968320, 27936640]

約数ペア:

[(1, 27936640), (2, 13968320), (4, 6984160), (5, 5587328), (8, 3492080), (10, 2793664), (16, 1746040), (20, 1396832), (32, 873020), (40, 698416), (64, 436510), (80, 349208), (128, 218255), (160, 174604), (320, 87302), (640, 43651)]