57312980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66643}}^1$

素因数の和:66695

約数の個数: 24

約数和(自身を含む): 123158112

約数和(自身を除く): 65845132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 66643, 133286, 266572, 333215, 666430, 1332860, 2865649, 5731298, 11462596, 14328245, 28656490, 57312980]

約数ペア:

[(1, 57312980), (2, 28656490), (4, 14328245), (5, 11462596), (10, 5731298), (20, 2865649), (43, 1332860), (86, 666430), (172, 333215), (215, 266572), (430, 133286), (860, 66643)]