82561540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 177267888

約数和(自身を除く): 94706348

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 193, 292, 293, 365, 386, 586, 730, 772, 965, 1172, 1460, 1465, 1930, 2930, 3860, 5860, 14089, 21389, 28178, 42778, 56356, 56549, 70445, 85556, 106945, 113098, 140890, 213890, 226196, 281780, 282745, 427780, 565490, 1130980, 4128077, 8256154, 16512308, 20640385, 41280770, 82561540]

約数ペア:

[(1, 82561540), (2, 41280770), (4, 20640385), (5, 16512308), (10, 8256154), (20, 4128077), (73, 1130980), (146, 565490), (193, 427780), (292, 282745), (293, 281780), (365, 226196), (386, 213890), (586, 140890), (730, 113098), (772, 106945), (965, 85556), (1172, 70445), (1460, 56549), (1465, 56356), (1930, 42778), (2930, 28178), (3860, 21389), (5860, 14089)]