82557860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53609}}^1$

素因数の和:53636

約数の個数: 48

約数和(自身を含む): 216155520

約数和(自身を除く): 133597660

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, 53609, 107218, 214436, 268045, 375263, 536090, 589699, 750526, 1072180, 1179398, 1501052, 1876315, 2358796, 2948495, 3752630, 4127893, 5896990, 7505260, 8255786, 11793980, 16511572, 20639465, 41278930, 82557860]

約数ペア:

[(1, 82557860), (2, 41278930), (4, 20639465), (5, 16511572), (7, 11793980), (10, 8255786), (11, 7505260), (14, 5896990), (20, 4127893), (22, 3752630), (28, 2948495), (35, 2358796), (44, 1876315), (55, 1501052), (70, 1179398), (77, 1072180), (110, 750526), (140, 589699), (154, 536090), (220, 375263), (308, 268045), (385, 214436), (770, 107218), (1540, 53609)]