16873640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8609}}^1$

素因数の和:8634

約数の個数: 48

約数和(自身を含む): 44169300

約数和(自身を除く): 27295660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8609, 17218, 34436, 43045, 60263, 68872, 86090, 120526, 172180, 241052, 301315, 344360, 421841, 482104, 602630, 843682, 1205260, 1687364, 2109205, 2410520, 3374728, 4218410, 8436820, 16873640]

約数ペア:

[(1, 16873640), (2, 8436820), (4, 4218410), (5, 3374728), (7, 2410520), (8, 2109205), (10, 1687364), (14, 1205260), (20, 843682), (28, 602630), (35, 482104), (40, 421841), (49, 344360), (56, 301315), (70, 241052), (98, 172180), (140, 120526), (196, 86090), (245, 68872), (280, 60263), (392, 43045), (490, 34436), (980, 17218), (1960, 8609)]