8064980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5237}}^1$

素因数の和:5264

約数の個数: 48

約数和(自身を含む): 21119616

約数和(自身を除く): 13054636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5237, 10474, 20948, 26185, 36659, 52370, 57607, 73318, 104740, 115214, 146636, 183295, 230428, 288035, 366590, 403249, 576070, 733180, 806498, 1152140, 1612996, 2016245, 4032490, 8064980]

約数ペア:

[(1, 8064980), (2, 4032490), (4, 2016245), (5, 1612996), (7, 1152140), (10, 806498), (11, 733180), (14, 576070), (20, 403249), (22, 366590), (28, 288035), (35, 230428), (44, 183295), (55, 146636), (70, 115214), (77, 104740), (110, 73318), (140, 57607), (154, 52370), (220, 36659), (308, 26185), (385, 20948), (770, 10474), (1540, 5237)]