124736720

素因数分解:

$2^4\times 5^1\times {\mathrm{1559209}}^1$

素因数の和:1559222

約数の個数: 20

約数和(自身を含む): 290013060

約数和(自身を除く): 165276340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1559209, 3118418, 6236836, 7796045, 12473672, 15592090, 24947344, 31184180, 62368360, 124736720]

約数ペア:

[(1, 124736720), (2, 62368360), (4, 31184180), (5, 24947344), (8, 15592090), (10, 12473672), (16, 7796045), (20, 6236836), (40, 3118418), (80, 1559209)]