864370480

素因数分解:

$2^4\times 5^1\times {\mathrm{10804631}}^1$

素因数の和:10804644

約数の個数: 20

約数和(自身を含む): 2009661552

約数和(自身を除く): 1145291072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10804631, 21609262, 43218524, 54023155, 86437048, 108046310, 172874096, 216092620, 432185240, 864370480]

約数ペア:

[(1, 864370480), (2, 432185240), (4, 216092620), (5, 172874096), (8, 108046310), (10, 86437048), (16, 54023155), (20, 43218524), (40, 21609262), (80, 10804631)]