802820

素因数分解:

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

素因数の和:439

約数の個数: 24

約数和(自身を含む): 1704024

約数和(自身を除く): 901204

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 293, 548, 586, 685, 1172, 1370, 1465, 2740, 2930, 5860, 40141, 80282, 160564, 200705, 401410, 802820]

約数ペア:

[(1, 802820), (2, 401410), (4, 200705), (5, 160564), (10, 80282), (20, 40141), (137, 5860), (274, 2930), (293, 2740), (548, 1465), (586, 1370), (685, 1172)]