79481480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{433}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 193581360

約数和(自身を除く): 114099880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 433, 520, 706, 866, 1412, 1732, 1765, 2165, 2824, 3464, 3530, 4330, 4589, 5629, 7060, 8660, 9178, 11258, 14120, 17320, 18356, 22516, 22945, 28145, 36712, 45032, 45890, 56290, 91780, 112580, 152849, 183560, 225160, 305698, 611396, 764245, 1222792, 1528490, 1987037, 3056980, 3974074, 6113960, 7948148, 9935185, 15896296, 19870370, 39740740, 79481480]

約数ペア:

[(1, 79481480), (2, 39740740), (4, 19870370), (5, 15896296), (8, 9935185), (10, 7948148), (13, 6113960), (20, 3974074), (26, 3056980), (40, 1987037), (52, 1528490), (65, 1222792), (104, 764245), (130, 611396), (260, 305698), (353, 225160), (433, 183560), (520, 152849), (706, 112580), (866, 91780), (1412, 56290), (1732, 45890), (1765, 45032), (2165, 36712), (2824, 28145), (3464, 22945), (3530, 22516), (4330, 18356), (4589, 17320), (5629, 14120), (7060, 11258), (8660, 9178)]