1020123920

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{93077}}^1$

素因数の和:93227

約数の個数: 40

約数和(自身を含む): 2389126104

約数和(自身を除く): 1369002184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 93077, 186154, 372308, 465385, 744616, 930770, 1489232, 1861540, 3723080, 7446160, 12751549, 25503098, 51006196, 63757745, 102012392, 127515490, 204024784, 255030980, 510061960, 1020123920]

約数ペア:

[(1, 1020123920), (2, 510061960), (4, 255030980), (5, 204024784), (8, 127515490), (10, 102012392), (16, 63757745), (20, 51006196), (40, 25503098), (80, 12751549), (137, 7446160), (274, 3723080), (548, 1861540), (685, 1489232), (1096, 930770), (1370, 744616), (2192, 465385), (2740, 372308), (5480, 186154), (10960, 93077)]