89891680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 221755968

約数和(自身を除く): 131864288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 71, 80, 82, 142, 160, 164, 193, 205, 284, 328, 355, 386, 410, 568, 656, 710, 772, 820, 965, 1136, 1312, 1420, 1544, 1640, 1930, 2272, 2840, 2911, 3088, 3280, 3860, 5680, 5822, 6176, 6560, 7720, 7913, 11360, 11644, 13703, 14555, 15440, 15826, 23288, 27406, 29110, 30880, 31652, 39565, 46576, 54812, 58220, 63304, 68515, 79130, 93152, 109624, 116440, 126608, 137030, 158260, 219248, 232880, 253216, 274060, 316520, 438496, 465760, 548120, 561823, 633040, 1096240, 1123646, 1266080, 2192480, 2247292, 2809115, 4494584, 5618230, 8989168, 11236460, 17978336, 22472920, 44945840, 89891680]

約数ペア:

[(1, 89891680), (2, 44945840), (4, 22472920), (5, 17978336), (8, 11236460), (10, 8989168), (16, 5618230), (20, 4494584), (32, 2809115), (40, 2247292), (41, 2192480), (71, 1266080), (80, 1123646), (82, 1096240), (142, 633040), (160, 561823), (164, 548120), (193, 465760), (205, 438496), (284, 316520), (328, 274060), (355, 253216), (386, 232880), (410, 219248), (568, 158260), (656, 137030), (710, 126608), (772, 116440), (820, 109624), (965, 93152), (1136, 79130), (1312, 68515), (1420, 63304), (1544, 58220), (1640, 54812), (1930, 46576), (2272, 39565), (2840, 31652), (2911, 30880), (3088, 29110), (3280, 27406), (3860, 23288), (5680, 15826), (5822, 15440), (6176, 14555), (6560, 13703), (7720, 11644), (7913, 11360)]