49771280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47857}}^1$

素因数の和:47883

約数の個数: 40

約数和(自身を含む): 124622232

約数和(自身を除く): 74850952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 47857, 95714, 191428, 239285, 382856, 478570, 622141, 765712, 957140, 1244282, 1914280, 2488564, 3110705, 3828560, 4977128, 6221410, 9954256, 12442820, 24885640, 49771280]

約数ペア:

[(1, 49771280), (2, 24885640), (4, 12442820), (5, 9954256), (8, 6221410), (10, 4977128), (13, 3828560), (16, 3110705), (20, 2488564), (26, 1914280), (40, 1244282), (52, 957140), (65, 765712), (80, 622141), (104, 478570), (130, 382856), (208, 239285), (260, 191428), (520, 95714), (1040, 47857)]