38945960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22643}}^1$

素因数の和:22697

約数の個数: 32

約数和(自身を含む): 89670240

約数和(自身を除く): 50724280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22643, 45286, 90572, 113215, 181144, 226430, 452860, 905720, 973649, 1947298, 3894596, 4868245, 7789192, 9736490, 19472980, 38945960]

約数ペア:

[(1, 38945960), (2, 19472980), (4, 9736490), (5, 7789192), (8, 4868245), (10, 3894596), (20, 1947298), (40, 973649), (43, 905720), (86, 452860), (172, 226430), (215, 181144), (344, 113215), (430, 90572), (860, 45286), (1720, 22643)]