39641140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25741}}^1$

素因数の和:25768

約数の個数: 48

約数和(自身を含む): 103791744

約数和(自身を除く): 64150604

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, 25741, 51482, 102964, 128705, 180187, 257410, 283151, 360374, 514820, 566302, 720748, 900935, 1132604, 1415755, 1801870, 1982057, 2831510, 3603740, 3964114, 5663020, 7928228, 9910285, 19820570, 39641140]

約数ペア:

[(1, 39641140), (2, 19820570), (4, 9910285), (5, 7928228), (7, 5663020), (10, 3964114), (11, 3603740), (14, 2831510), (20, 1982057), (22, 1801870), (28, 1415755), (35, 1132604), (44, 900935), (55, 720748), (70, 566302), (77, 514820), (110, 360374), (140, 283151), (154, 257410), (220, 180187), (308, 128705), (385, 102964), (770, 51482), (1540, 25741)]