16089040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 41783040

約数和(自身を除く): 25694000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 389, 440, 470, 517, 752, 778, 880, 940, 1034, 1556, 1880, 1945, 2068, 2585, 3112, 3760, 3890, 4136, 4279, 5170, 6224, 7780, 8272, 8558, 10340, 15560, 17116, 18283, 20680, 21395, 31120, 34232, 36566, 41360, 42790, 68464, 73132, 85580, 91415, 146264, 171160, 182830, 201113, 292528, 342320, 365660, 402226, 731320, 804452, 1005565, 1462640, 1608904, 2011130, 3217808, 4022260, 8044520, 16089040]

約数ペア:

[(1, 16089040), (2, 8044520), (4, 4022260), (5, 3217808), (8, 2011130), (10, 1608904), (11, 1462640), (16, 1005565), (20, 804452), (22, 731320), (40, 402226), (44, 365660), (47, 342320), (55, 292528), (80, 201113), (88, 182830), (94, 171160), (110, 146264), (176, 91415), (188, 85580), (220, 73132), (235, 68464), (376, 42790), (389, 41360), (440, 36566), (470, 34232), (517, 31120), (752, 21395), (778, 20680), (880, 18283), (940, 17116), (1034, 15560), (1556, 10340), (1880, 8558), (1945, 8272), (2068, 7780), (2585, 6224), (3112, 5170), (3760, 4279), (3890, 4136)]