2008784440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{6581}}^1$

素因数の和:7192

約数の個数: 64

約数和(自身を含む): 4876472160

約数和(自身を除く): 2867687720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 587, 1174, 2348, 2935, 4696, 5870, 6581, 7631, 11740, 13162, 15262, 23480, 26324, 30524, 32905, 38155, 52648, 61048, 65810, 76310, 85553, 131620, 152620, 171106, 263240, 305240, 342212, 427765, 684424, 855530, 1711060, 3422120, 3863047, 7726094, 15452188, 19315235, 30904376, 38630470, 50219611, 77260940, 100439222, 154521880, 200878444, 251098055, 401756888, 502196110, 1004392220, 2008784440]

約数ペア:

[(1, 2008784440), (2, 1004392220), (4, 502196110), (5, 401756888), (8, 251098055), (10, 200878444), (13, 154521880), (20, 100439222), (26, 77260940), (40, 50219611), (52, 38630470), (65, 30904376), (104, 19315235), (130, 15452188), (260, 7726094), (520, 3863047), (587, 3422120), (1174, 1711060), (2348, 855530), (2935, 684424), (4696, 427765), (5870, 342212), (6581, 305240), (7631, 263240), (11740, 171106), (13162, 152620), (15262, 131620), (23480, 85553), (26324, 76310), (30524, 65810), (32905, 61048), (38155, 52648)]