255890996660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12458179}}^1$

素因数の和:12458280

約数の個数: 48

約数和(自身を含む): 586032787200

約数和(自身を除く): 330141790540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 12458179, 24916358, 49832716, 62290895, 124581790, 161956327, 249163580, 323912654, 647825308, 809781635, 984196141, 1619563270, 1968392282, 3239126540, 3936784564, 4920980705, 9841961410, 12794549833, 19683922820, 25589099666, 51178199332, 63972749165, 127945498330, 255890996660]

約数ペア:

[(1, 255890996660), (2, 127945498330), (4, 63972749165), (5, 51178199332), (10, 25589099666), (13, 19683922820), (20, 12794549833), (26, 9841961410), (52, 4920980705), (65, 3936784564), (79, 3239126540), (130, 1968392282), (158, 1619563270), (260, 984196141), (316, 809781635), (395, 647825308), (790, 323912654), (1027, 249163580), (1580, 161956327), (2054, 124581790), (4108, 62290895), (5135, 49832716), (10270, 24916358), (20540, 12458179)]