80268650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20849}}^1$

素因数の和:20879

約数の個数: 48

約数和(自身を含む): 186148800

約数和(自身を除く): 105880150

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 20849, 41698, 104245, 145943, 208490, 229339, 291886, 458678, 521225, 729715, 1042450, 1146695, 1459430, 1605373, 2293390, 3210746, 3648575, 5733475, 7297150, 8026865, 11466950, 16053730, 40134325, 80268650]

約数ペア:

[(1, 80268650), (2, 40134325), (5, 16053730), (7, 11466950), (10, 8026865), (11, 7297150), (14, 5733475), (22, 3648575), (25, 3210746), (35, 2293390), (50, 1605373), (55, 1459430), (70, 1146695), (77, 1042450), (110, 729715), (154, 521225), (175, 458678), (275, 291886), (350, 229339), (385, 208490), (550, 145943), (770, 104245), (1925, 41698), (3850, 20849)]