13257860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8609}}^1$

素因数の和:8636

約数の個数: 48

約数和(自身を含む): 34715520

約数和(自身を除く): 21457660

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, 8609, 17218, 34436, 43045, 60263, 86090, 94699, 120526, 172180, 189398, 241052, 301315, 378796, 473495, 602630, 662893, 946990, 1205260, 1325786, 1893980, 2651572, 3314465, 6628930, 13257860]

約数ペア:

[(1, 13257860), (2, 6628930), (4, 3314465), (5, 2651572), (7, 1893980), (10, 1325786), (11, 1205260), (14, 946990), (20, 662893), (22, 602630), (28, 473495), (35, 378796), (44, 301315), (55, 241052), (70, 189398), (77, 172180), (110, 120526), (140, 94699), (154, 86090), (220, 60263), (308, 43045), (385, 34436), (770, 17218), (1540, 8609)]