2008236520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1\times {\mathrm{2111}}^1$

素因数の和:3538

約数の個数: 64

約数和(自身を含む): 4790016000

約数和(自身を除く): 2781779480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1399, 2111, 2798, 4222, 5596, 6995, 8444, 10555, 11192, 13990, 16888, 21110, 23783, 27980, 35887, 42220, 47566, 55960, 71774, 84440, 95132, 118915, 143548, 179435, 190264, 237830, 287096, 358870, 475660, 717740, 951320, 1435480, 2953289, 5906578, 11813156, 14766445, 23626312, 29532890, 50205913, 59065780, 100411826, 118131560, 200823652, 251029565, 401647304, 502059130, 1004118260, 2008236520]

約数ペア:

[(1, 2008236520), (2, 1004118260), (4, 502059130), (5, 401647304), (8, 251029565), (10, 200823652), (17, 118131560), (20, 100411826), (34, 59065780), (40, 50205913), (68, 29532890), (85, 23626312), (136, 14766445), (170, 11813156), (340, 5906578), (680, 2953289), (1399, 1435480), (2111, 951320), (2798, 717740), (4222, 475660), (5596, 358870), (6995, 287096), (8444, 237830), (10555, 190264), (11192, 179435), (13990, 143548), (16888, 118915), (21110, 95132), (23783, 84440), (27980, 71774), (35887, 55960), (42220, 47566)]