26720540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17351}}^1$

素因数の和:17378

約数の個数: 48

約数和(自身を含む): 69963264

約数和(自身を除く): 43242724

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, 17351, 34702, 69404, 86755, 121457, 173510, 190861, 242914, 347020, 381722, 485828, 607285, 763444, 954305, 1214570, 1336027, 1908610, 2429140, 2672054, 3817220, 5344108, 6680135, 13360270, 26720540]

約数ペア:

[(1, 26720540), (2, 13360270), (4, 6680135), (5, 5344108), (7, 3817220), (10, 2672054), (11, 2429140), (14, 1908610), (20, 1336027), (22, 1214570), (28, 954305), (35, 763444), (44, 607285), (55, 485828), (70, 381722), (77, 347020), (110, 242914), (140, 190861), (154, 173510), (220, 121457), (308, 86755), (385, 69404), (770, 34702), (1540, 17351)]