7942880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4539

約数の個数: 48

約数和(自身を含む): 20475504

約数和(自身を除く): 12532624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4513, 9026, 18052, 22565, 36104, 45130, 49643, 72208, 90260, 99286, 144416, 180520, 198572, 248215, 361040, 397144, 496430, 722080, 794288, 992860, 1588576, 1985720, 3971440, 7942880]

約数ペア:

[(1, 7942880), (2, 3971440), (4, 1985720), (5, 1588576), (8, 992860), (10, 794288), (11, 722080), (16, 496430), (20, 397144), (22, 361040), (32, 248215), (40, 198572), (44, 180520), (55, 144416), (80, 99286), (88, 90260), (110, 72208), (160, 49643), (176, 45130), (220, 36104), (352, 22565), (440, 18052), (880, 9026), (1760, 4513)]