39201820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280013}}^1$

素因数の和:280029

約数の個数: 24

約数和(自身を含む): 94084704

約数和(自身を除く): 54882884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280013, 560026, 1120052, 1400065, 1960091, 2800130, 3920182, 5600260, 7840364, 9800455, 19600910, 39201820]

約数ペア:

[(1, 39201820), (2, 19600910), (4, 9800455), (5, 7840364), (7, 5600260), (10, 3920182), (14, 2800130), (20, 1960091), (28, 1400065), (35, 1120052), (70, 560026), (140, 280013)]