57220520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204359}}^1$

素因数の和:204377

約数の個数: 32

約数和(自身を含む): 147139200

約数和(自身を除く): 89918680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204359, 408718, 817436, 1021795, 1430513, 1634872, 2043590, 2861026, 4087180, 5722052, 7152565, 8174360, 11444104, 14305130, 28610260, 57220520]

約数ペア:

[(1, 57220520), (2, 28610260), (4, 14305130), (5, 11444104), (7, 8174360), (8, 7152565), (10, 5722052), (14, 4087180), (20, 2861026), (28, 2043590), (35, 1634872), (40, 1430513), (56, 1021795), (70, 817436), (140, 408718), (280, 204359)]