80817440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1050

約数の個数: 96

約数和(自身を含む): 212937984

約数和(自身を除く): 132120544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 977, 1034, 1504, 1760, 1880, 1954, 2068, 2585, 3760, 3908, 4136, 4885, 5170, 7520, 7816, 8272, 9770, 10340, 10747, 15632, 16544, 19540, 20680, 21494, 31264, 39080, 41360, 42988, 45919, 53735, 78160, 82720, 85976, 91838, 107470, 156320, 171952, 183676, 214940, 229595, 343904, 367352, 429880, 459190, 505109, 734704, 859760, 918380, 1010218, 1469408, 1719520, 1836760, 2020436, 2525545, 3673520, 4040872, 5051090, 7347040, 8081744, 10102180, 16163488, 20204360, 40408720, 80817440]

約数ペア:

[(1, 80817440), (2, 40408720), (4, 20204360), (5, 16163488), (8, 10102180), (10, 8081744), (11, 7347040), (16, 5051090), (20, 4040872), (22, 3673520), (32, 2525545), (40, 2020436), (44, 1836760), (47, 1719520), (55, 1469408), (80, 1010218), (88, 918380), (94, 859760), (110, 734704), (160, 505109), (176, 459190), (188, 429880), (220, 367352), (235, 343904), (352, 229595), (376, 214940), (440, 183676), (470, 171952), (517, 156320), (752, 107470), (880, 91838), (940, 85976), (977, 82720), (1034, 78160), (1504, 53735), (1760, 45919), (1880, 42988), (1954, 41360), (2068, 39080), (2585, 31264), (3760, 21494), (3908, 20680), (4136, 19540), (4885, 16544), (5170, 15632), (7520, 10747), (7816, 10340), (8272, 9770)]