1605640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 3651480

約数和(自身を除く): 2045840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 293, 548, 586, 685, 1096, 1172, 1370, 1465, 2344, 2740, 2930, 5480, 5860, 11720, 40141, 80282, 160564, 200705, 321128, 401410, 802820, 1605640]

約数ペア:

[(1, 1605640), (2, 802820), (4, 401410), (5, 321128), (8, 200705), (10, 160564), (20, 80282), (40, 40141), (137, 11720), (274, 5860), (293, 5480), (548, 2930), (586, 2740), (685, 2344), (1096, 1465), (1172, 1370)]