2008133560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71413}}^1$

素因数の和:71480

約数の個数: 64

約数和(自身を含む): 4884717600

約数和(自身を除く): 2876584040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 71413, 142826, 285652, 357065, 571304, 714130, 1356847, 1428260, 2642281, 2713694, 2856520, 5284562, 5427388, 6784235, 10569124, 10854776, 13211405, 13568470, 21138248, 26422810, 27136940, 50203339, 52845620, 54273880, 100406678, 105691240, 200813356, 251016695, 401626712, 502033390, 1004066780, 2008133560]

約数ペア:

[(1, 2008133560), (2, 1004066780), (4, 502033390), (5, 401626712), (8, 251016695), (10, 200813356), (19, 105691240), (20, 100406678), (37, 54273880), (38, 52845620), (40, 50203339), (74, 27136940), (76, 26422810), (95, 21138248), (148, 13568470), (152, 13211405), (185, 10854776), (190, 10569124), (296, 6784235), (370, 5427388), (380, 5284562), (703, 2856520), (740, 2713694), (760, 2642281), (1406, 1428260), (1480, 1356847), (2812, 714130), (3515, 571304), (5624, 357065), (7030, 285652), (14060, 142826), (28120, 71413)]