127009520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1429}}^1$

素因数の和:1554

約数の個数: 80

約数和(自身を含む): 325559520

約数和(自身を除く): 198550000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1429, 1616, 2020, 2222, 2858, 4040, 4444, 5555, 5716, 7145, 8080, 8888, 11110, 11432, 14290, 15719, 17776, 22220, 22864, 28580, 31438, 44440, 57160, 62876, 78595, 88880, 114320, 125752, 144329, 157190, 251504, 288658, 314380, 577316, 628760, 721645, 1154632, 1257520, 1443290, 1587619, 2309264, 2886580, 3175238, 5773160, 6350476, 7938095, 11546320, 12700952, 15876190, 25401904, 31752380, 63504760, 127009520]

約数ペア:

[(1, 127009520), (2, 63504760), (4, 31752380), (5, 25401904), (8, 15876190), (10, 12700952), (11, 11546320), (16, 7938095), (20, 6350476), (22, 5773160), (40, 3175238), (44, 2886580), (55, 2309264), (80, 1587619), (88, 1443290), (101, 1257520), (110, 1154632), (176, 721645), (202, 628760), (220, 577316), (404, 314380), (440, 288658), (505, 251504), (808, 157190), (880, 144329), (1010, 125752), (1111, 114320), (1429, 88880), (1616, 78595), (2020, 62876), (2222, 57160), (2858, 44440), (4040, 31438), (4444, 28580), (5555, 22864), (5716, 22220), (7145, 17776), (8080, 15719), (8888, 14290), (11110, 11432)]