57456920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{3851}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 129658320

約数和(自身を除く): 72201400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 3851, 7460, 7702, 14920, 15404, 19255, 30808, 38510, 77020, 154040, 1436423, 2872846, 5745692, 7182115, 11491384, 14364230, 28728460, 57456920]

約数ペア:

[(1, 57456920), (2, 28728460), (4, 14364230), (5, 11491384), (8, 7182115), (10, 5745692), (20, 2872846), (40, 1436423), (373, 154040), (746, 77020), (1492, 38510), (1865, 30808), (2984, 19255), (3730, 15404), (3851, 14920), (7460, 7702)]