29128880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 74995200

約数和(自身を除く): 45866320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 419, 440, 632, 790, 838, 869, 880, 1264, 1580, 1676, 1738, 2095, 3160, 3352, 3476, 4190, 4345, 4609, 6320, 6704, 6952, 8380, 8690, 9218, 13904, 16760, 17380, 18436, 23045, 33101, 33520, 34760, 36872, 46090, 66202, 69520, 73744, 92180, 132404, 165505, 184360, 264808, 331010, 364111, 368720, 529616, 662020, 728222, 1324040, 1456444, 1820555, 2648080, 2912888, 3641110, 5825776, 7282220, 14564440, 29128880]

約数ペア:

[(1, 29128880), (2, 14564440), (4, 7282220), (5, 5825776), (8, 3641110), (10, 2912888), (11, 2648080), (16, 1820555), (20, 1456444), (22, 1324040), (40, 728222), (44, 662020), (55, 529616), (79, 368720), (80, 364111), (88, 331010), (110, 264808), (158, 184360), (176, 165505), (220, 132404), (316, 92180), (395, 73744), (419, 69520), (440, 66202), (632, 46090), (790, 36872), (838, 34760), (869, 33520), (880, 33101), (1264, 23045), (1580, 18436), (1676, 17380), (1738, 16760), (2095, 13904), (3160, 9218), (3352, 8690), (3476, 8380), (4190, 6952), (4345, 6704), (4609, 6320)]