9664520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 22861440

約数和(自身を除く): 13196920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 83, 142, 164, 166, 205, 284, 328, 332, 355, 410, 415, 568, 664, 710, 820, 830, 1420, 1640, 1660, 2840, 2911, 3320, 3403, 5822, 5893, 6806, 11644, 11786, 13612, 14555, 17015, 23288, 23572, 27224, 29110, 29465, 34030, 47144, 58220, 58930, 68060, 116440, 117860, 136120, 235720, 241613, 483226, 966452, 1208065, 1932904, 2416130, 4832260, 9664520]

約数ペア:

[(1, 9664520), (2, 4832260), (4, 2416130), (5, 1932904), (8, 1208065), (10, 966452), (20, 483226), (40, 241613), (41, 235720), (71, 136120), (82, 117860), (83, 116440), (142, 68060), (164, 58930), (166, 58220), (205, 47144), (284, 34030), (328, 29465), (332, 29110), (355, 27224), (410, 23572), (415, 23288), (568, 17015), (664, 14555), (710, 13612), (820, 11786), (830, 11644), (1420, 6806), (1640, 5893), (1660, 5822), (2840, 3403), (2911, 3320)]