39317480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22859}}^1$

素因数の和:22913

約数の個数: 32

約数和(自身を含む): 90525600

約数和(自身を除く): 51208120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22859, 45718, 91436, 114295, 182872, 228590, 457180, 914360, 982937, 1965874, 3931748, 4914685, 7863496, 9829370, 19658740, 39317480]

約数ペア:

[(1, 39317480), (2, 19658740), (4, 9829370), (5, 7863496), (8, 4914685), (10, 3931748), (20, 1965874), (40, 982937), (43, 914360), (86, 457180), (172, 228590), (215, 182872), (344, 114295), (430, 91436), (860, 45718), (1720, 22859)]