39681940

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2621}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 83473992

約数和(自身を除く): 43792052

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 2621, 3028, 3785, 5242, 7570, 10484, 13105, 15140, 26210, 52420, 1984097, 3968194, 7936388, 9920485, 19840970, 39681940]

約数ペア:

[(1, 39681940), (2, 19840970), (4, 9920485), (5, 7936388), (10, 3968194), (20, 1984097), (757, 52420), (1514, 26210), (2621, 15140), (3028, 13105), (3785, 10484), (5242, 7570)]