13131580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8527}}^1$

素因数の和:8554

約数の個数: 48

約数和(自身を含む): 34384896

約数和(自身を除く): 21253316

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, 8527, 17054, 34108, 42635, 59689, 85270, 93797, 119378, 170540, 187594, 238756, 298445, 375188, 468985, 596890, 656579, 937970, 1193780, 1313158, 1875940, 2626316, 3282895, 6565790, 13131580]

約数ペア:

[(1, 13131580), (2, 6565790), (4, 3282895), (5, 2626316), (7, 1875940), (10, 1313158), (11, 1193780), (14, 937970), (20, 656579), (22, 596890), (28, 468985), (35, 375188), (44, 298445), (55, 238756), (70, 187594), (77, 170540), (110, 119378), (140, 93797), (154, 85270), (220, 59689), (308, 42635), (385, 34108), (770, 17054), (1540, 8527)]