55041680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 133210224

約数和(自身を除く): 78168544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 173, 194, 205, 328, 346, 388, 410, 485, 656, 692, 776, 820, 865, 970, 1384, 1552, 1640, 1730, 1940, 2768, 3280, 3460, 3880, 3977, 6920, 7093, 7760, 7954, 13840, 14186, 15908, 16781, 19885, 28372, 31816, 33562, 35465, 39770, 56744, 63632, 67124, 70930, 79540, 83905, 113488, 134248, 141860, 159080, 167810, 268496, 283720, 318160, 335620, 567440, 671240, 688021, 1342480, 1376042, 2752084, 3440105, 5504168, 6880210, 11008336, 13760420, 27520840, 55041680]

約数ペア:

[(1, 55041680), (2, 27520840), (4, 13760420), (5, 11008336), (8, 6880210), (10, 5504168), (16, 3440105), (20, 2752084), (40, 1376042), (41, 1342480), (80, 688021), (82, 671240), (97, 567440), (164, 335620), (173, 318160), (194, 283720), (205, 268496), (328, 167810), (346, 159080), (388, 141860), (410, 134248), (485, 113488), (656, 83905), (692, 79540), (776, 70930), (820, 67124), (865, 63632), (970, 56744), (1384, 39770), (1552, 35465), (1640, 33562), (1730, 31816), (1940, 28372), (2768, 19885), (3280, 16781), (3460, 15908), (3880, 14186), (3977, 13840), (6920, 7954), (7093, 7760)]