12980660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8429}}^1$

素因数の和:8456

約数の個数: 48

約数和(自身を含む): 33989760

約数和(自身を除く): 21009100

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, 8429, 16858, 33716, 42145, 59003, 84290, 92719, 118006, 168580, 185438, 236012, 295015, 370876, 463595, 590030, 649033, 927190, 1180060, 1298066, 1854380, 2596132, 3245165, 6490330, 12980660]

約数ペア:

[(1, 12980660), (2, 6490330), (4, 3245165), (5, 2596132), (7, 1854380), (10, 1298066), (11, 1180060), (14, 927190), (20, 649033), (22, 590030), (28, 463595), (35, 370876), (44, 295015), (55, 236012), (70, 185438), (77, 168580), (110, 118006), (140, 92719), (154, 84290), (220, 59003), (308, 42145), (385, 33716), (770, 16858), (1540, 8429)]