12771220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8293}}^1$

素因数の和:8320

約数の個数: 48

約数和(自身を含む): 33441408

約数和(自身を除く): 20670188

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, 8293, 16586, 33172, 41465, 58051, 82930, 91223, 116102, 165860, 182446, 232204, 290255, 364892, 456115, 580510, 638561, 912230, 1161020, 1277122, 1824460, 2554244, 3192805, 6385610, 12771220]

約数ペア:

[(1, 12771220), (2, 6385610), (4, 3192805), (5, 2554244), (7, 1824460), (10, 1277122), (11, 1161020), (14, 912230), (20, 638561), (22, 580510), (28, 456115), (35, 364892), (44, 290255), (55, 232204), (70, 182446), (77, 165860), (110, 116102), (140, 91223), (154, 82930), (220, 58051), (308, 41465), (385, 33172), (770, 16586), (1540, 8293)]