80007070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{55949}}^1$

素因数の和:55980

約数の個数: 32

約数和(自身を含む): 169192800

約数和(自身を除く): 89185730

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 55949, 111898, 279745, 559490, 615439, 727337, 1230878, 1454674, 3077195, 3636685, 6154390, 7273370, 8000707, 16001414, 40003535, 80007070]

約数ペア:

[(1, 80007070), (2, 40003535), (5, 16001414), (10, 8000707), (11, 7273370), (13, 6154390), (22, 3636685), (26, 3077195), (55, 1454674), (65, 1230878), (110, 727337), (130, 615439), (143, 559490), (286, 279745), (715, 111898), (1430, 55949)]