12342640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 30373056

約数和(自身を除く): 18030416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 71, 80, 82, 106, 142, 164, 205, 212, 265, 284, 328, 355, 410, 424, 530, 568, 656, 710, 820, 848, 1060, 1136, 1420, 1640, 2120, 2173, 2840, 2911, 3280, 3763, 4240, 4346, 5680, 5822, 7526, 8692, 10865, 11644, 14555, 15052, 17384, 18815, 21730, 23288, 29110, 30104, 34768, 37630, 43460, 46576, 58220, 60208, 75260, 86920, 116440, 150520, 154283, 173840, 232880, 301040, 308566, 617132, 771415, 1234264, 1542830, 2468528, 3085660, 6171320, 12342640]

約数ペア:

[(1, 12342640), (2, 6171320), (4, 3085660), (5, 2468528), (8, 1542830), (10, 1234264), (16, 771415), (20, 617132), (40, 308566), (41, 301040), (53, 232880), (71, 173840), (80, 154283), (82, 150520), (106, 116440), (142, 86920), (164, 75260), (205, 60208), (212, 58220), (265, 46576), (284, 43460), (328, 37630), (355, 34768), (410, 30104), (424, 29110), (530, 23288), (568, 21730), (656, 18815), (710, 17384), (820, 15052), (848, 14555), (1060, 11644), (1136, 10865), (1420, 8692), (1640, 7526), (2120, 5822), (2173, 5680), (2840, 4346), (2911, 4240), (3280, 3763)]