80112340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52021}}^1$

素因数の和:52048

約数の個数: 48

約数和(自身を含む): 209752704

約数和(自身を除く): 129640364

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, 52021, 104042, 208084, 260105, 364147, 520210, 572231, 728294, 1040420, 1144462, 1456588, 1820735, 2288924, 2861155, 3641470, 4005617, 5722310, 7282940, 8011234, 11444620, 16022468, 20028085, 40056170, 80112340]

約数ペア:

[(1, 80112340), (2, 40056170), (4, 20028085), (5, 16022468), (7, 11444620), (10, 8011234), (11, 7282940), (14, 5722310), (20, 4005617), (22, 3641470), (28, 2861155), (35, 2288924), (44, 1820735), (55, 1456588), (70, 1144462), (77, 1040420), (110, 728294), (140, 572231), (154, 520210), (220, 364147), (308, 260105), (385, 208084), (770, 104042), (1540, 52021)]