206917120

素因数分解:

$2^9\times 5^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:771

約数の個数: 80

約数和(自身を含む): 500713488

約数和(自身を除く): 293796368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 512, 524, 617, 640, 655, 1048, 1234, 1280, 1310, 2096, 2468, 2560, 2620, 3085, 4192, 4936, 5240, 6170, 8384, 9872, 10480, 12340, 16768, 19744, 20960, 24680, 33536, 39488, 41920, 49360, 67072, 78976, 80827, 83840, 98720, 157952, 161654, 167680, 197440, 315904, 323308, 335360, 394880, 404135, 646616, 789760, 808270, 1293232, 1579520, 1616540, 2586464, 3233080, 5172928, 6466160, 10345856, 12932320, 20691712, 25864640, 41383424, 51729280, 103458560, 206917120]

約数ペア:

[(1, 206917120), (2, 103458560), (4, 51729280), (5, 41383424), (8, 25864640), (10, 20691712), (16, 12932320), (20, 10345856), (32, 6466160), (40, 5172928), (64, 3233080), (80, 2586464), (128, 1616540), (131, 1579520), (160, 1293232), (256, 808270), (262, 789760), (320, 646616), (512, 404135), (524, 394880), (617, 335360), (640, 323308), (655, 315904), (1048, 197440), (1234, 167680), (1280, 161654), (1310, 157952), (2096, 98720), (2468, 83840), (2560, 80827), (2620, 78976), (3085, 67072), (4192, 49360), (4936, 41920), (5240, 39488), (6170, 33536), (8384, 24680), (9872, 20960), (10480, 19744), (12340, 16768)]