899464880

素因数分解:

$2^4\times 5^1\times {\mathrm{11243311}}^1$

素因数の和:11243324

約数の個数: 20

約数和(自身を含む): 2091256032

約数和(自身を除く): 1191791152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11243311, 22486622, 44973244, 56216555, 89946488, 112433110, 179892976, 224866220, 449732440, 899464880]

約数ペア:

[(1, 899464880), (2, 449732440), (4, 224866220), (5, 179892976), (8, 112433110), (10, 89946488), (16, 56216555), (20, 44973244), (40, 22486622), (80, 11243311)]