57019720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33151}}^1$

素因数の和:33205

約数の個数: 32

約数和(自身を含む): 131281920

約数和(自身を除く): 74262200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 33151, 66302, 132604, 165755, 265208, 331510, 663020, 1326040, 1425493, 2850986, 5701972, 7127465, 11403944, 14254930, 28509860, 57019720]

約数ペア:

[(1, 57019720), (2, 28509860), (4, 14254930), (5, 11403944), (8, 7127465), (10, 5701972), (20, 2850986), (40, 1425493), (43, 1326040), (86, 663020), (172, 331510), (215, 265208), (344, 165755), (430, 132604), (860, 66302), (1720, 33151)]