61320520

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4549}}^1$

素因数の和:4897

約数の個数: 32

約数和(自身を含む): 138411000

約数和(自身を除く): 77090480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 4549, 6740, 9098, 13480, 18196, 22745, 36392, 45490, 90980, 181960, 1533013, 3066026, 6132052, 7665065, 12264104, 15330130, 30660260, 61320520]

約数ペア:

[(1, 61320520), (2, 30660260), (4, 15330130), (5, 12264104), (8, 7665065), (10, 6132052), (20, 3066026), (40, 1533013), (337, 181960), (674, 90980), (1348, 45490), (1685, 36392), (2696, 22745), (3370, 18196), (4549, 13480), (6740, 9098)]