26438440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 46137560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 47, 49, 56, 70, 82, 94, 98, 140, 164, 188, 196, 205, 235, 245, 280, 287, 328, 329, 343, 376, 392, 410, 470, 490, 574, 658, 686, 820, 940, 980, 1148, 1316, 1372, 1435, 1640, 1645, 1715, 1880, 1927, 1960, 2009, 2296, 2303, 2632, 2744, 2870, 3290, 3430, 3854, 4018, 4606, 5740, 6580, 6860, 7708, 8036, 9212, 9635, 10045, 11480, 11515, 13160, 13489, 13720, 14063, 15416, 16072, 16121, 18424, 19270, 20090, 23030, 26978, 28126, 32242, 38540, 40180, 46060, 53956, 56252, 64484, 67445, 70315, 77080, 80360, 80605, 92120, 94423, 107912, 112504, 128968, 134890, 140630, 161210, 188846, 269780, 281260, 322420, 377692, 472115, 539560, 562520, 644840, 660961, 755384, 944230, 1321922, 1888460, 2643844, 3304805, 3776920, 5287688, 6609610, 13219220, 26438440]

約数ペア:

[(1, 26438440), (2, 13219220), (4, 6609610), (5, 5287688), (7, 3776920), (8, 3304805), (10, 2643844), (14, 1888460), (20, 1321922), (28, 944230), (35, 755384), (40, 660961), (41, 644840), (47, 562520), (49, 539560), (56, 472115), (70, 377692), (82, 322420), (94, 281260), (98, 269780), (140, 188846), (164, 161210), (188, 140630), (196, 134890), (205, 128968), (235, 112504), (245, 107912), (280, 94423), (287, 92120), (328, 80605), (329, 80360), (343, 77080), (376, 70315), (392, 67445), (410, 64484), (470, 56252), (490, 53956), (574, 46060), (658, 40180), (686, 38540), (820, 32242), (940, 28126), (980, 26978), (1148, 23030), (1316, 20090), (1372, 19270), (1435, 18424), (1640, 16121), (1645, 16072), (1715, 15416), (1880, 14063), (1927, 13720), (1960, 13489), (2009, 13160), (2296, 11515), (2303, 11480), (2632, 10045), (2744, 9635), (2870, 9212), (3290, 8036), (3430, 7708), (3854, 6860), (4018, 6580), (4606, 5740)]