65512495340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{629081}}^1$

素因数の和:629258

約数の個数: 48

約数和(自身を含む): 142041682944

約数和(自身を除く): 76529187604

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 820, 1270, 2540, 5207, 10414, 20828, 26035, 52070, 104140, 629081, 1258162, 2516324, 3145405, 6290810, 12581620, 25792321, 51584642, 79893287, 103169284, 128961605, 159786574, 257923210, 319573148, 399466435, 515846420, 798932870, 1597865740, 3275624767, 6551249534, 13102499068, 16378123835, 32756247670, 65512495340]

約数ペア:

[(1, 65512495340), (2, 32756247670), (4, 16378123835), (5, 13102499068), (10, 6551249534), (20, 3275624767), (41, 1597865740), (82, 798932870), (127, 515846420), (164, 399466435), (205, 319573148), (254, 257923210), (410, 159786574), (508, 128961605), (635, 103169284), (820, 79893287), (1270, 51584642), (2540, 25792321), (5207, 12581620), (10414, 6290810), (20828, 3145405), (26035, 2516324), (52070, 1258162), (104140, 629081)]