57681320

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4549}}^1$

素因数の和:4877

約数の個数: 32

約数和(自身を含む): 130221000

約数和(自身を除く): 72539680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 4549, 6340, 9098, 12680, 18196, 22745, 36392, 45490, 90980, 181960, 1442033, 2884066, 5768132, 7210165, 11536264, 14420330, 28840660, 57681320]

約数ペア:

[(1, 57681320), (2, 28840660), (4, 14420330), (5, 11536264), (8, 7210165), (10, 5768132), (20, 2884066), (40, 1442033), (317, 181960), (634, 90980), (1268, 45490), (1585, 36392), (2536, 22745), (3170, 18196), (4549, 12680), (6340, 9098)]