1090520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 2484000

約数和(自身を除く): 1393480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 199, 274, 398, 548, 685, 796, 995, 1096, 1370, 1592, 1990, 2740, 3980, 5480, 7960, 27263, 54526, 109052, 136315, 218104, 272630, 545260, 1090520]

約数ペア:

[(1, 1090520), (2, 545260), (4, 272630), (5, 218104), (8, 136315), (10, 109052), (20, 54526), (40, 27263), (137, 7960), (199, 5480), (274, 3980), (398, 2740), (548, 1990), (685, 1592), (796, 1370), (995, 1096)]