2019128320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35851}}^1$

素因数の和:35887

約数の個数: 88

約数和(自身を含む): 5284011168

約数和(自身を除く): 3264882848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2560, 2816, 3520, 5120, 5632, 7040, 11264, 14080, 28160, 35851, 56320, 71702, 143404, 179255, 286808, 358510, 394361, 573616, 717020, 788722, 1147232, 1434040, 1577444, 1971805, 2294464, 2868080, 3154888, 3943610, 4588928, 5736160, 6309776, 7887220, 9177856, 11472320, 12619552, 15774440, 18355712, 22944640, 25239104, 31548880, 36711424, 45889280, 50478208, 63097760, 91778560, 100956416, 126195520, 183557120, 201912832, 252391040, 403825664, 504782080, 1009564160, 2019128320]

約数ペア:

[(1, 2019128320), (2, 1009564160), (4, 504782080), (5, 403825664), (8, 252391040), (10, 201912832), (11, 183557120), (16, 126195520), (20, 100956416), (22, 91778560), (32, 63097760), (40, 50478208), (44, 45889280), (55, 36711424), (64, 31548880), (80, 25239104), (88, 22944640), (110, 18355712), (128, 15774440), (160, 12619552), (176, 11472320), (220, 9177856), (256, 7887220), (320, 6309776), (352, 5736160), (440, 4588928), (512, 3943610), (640, 3154888), (704, 2868080), (880, 2294464), (1024, 1971805), (1280, 1577444), (1408, 1434040), (1760, 1147232), (2560, 788722), (2816, 717020), (3520, 573616), (5120, 394361), (5632, 358510), (7040, 286808), (11264, 179255), (14080, 143404), (28160, 71702), (35851, 56320)]