80610640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1949}}^1$

素因数の和:2020

約数の個数: 80

約数和(自身を含む): 208915200

約数和(自身を除く): 128304560

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, 440, 470, 517, 752, 880, 940, 1034, 1880, 1949, 2068, 2585, 3760, 3898, 4136, 5170, 7796, 8272, 9745, 10340, 15592, 19490, 20680, 21439, 31184, 38980, 41360, 42878, 77960, 85756, 91603, 107195, 155920, 171512, 183206, 214390, 343024, 366412, 428780, 458015, 732824, 857560, 916030, 1007633, 1465648, 1715120, 1832060, 2015266, 3664120, 4030532, 5038165, 7328240, 8061064, 10076330, 16122128, 20152660, 40305320, 80610640]

約数ペア:

[(1, 80610640), (2, 40305320), (4, 20152660), (5, 16122128), (8, 10076330), (10, 8061064), (11, 7328240), (16, 5038165), (20, 4030532), (22, 3664120), (40, 2015266), (44, 1832060), (47, 1715120), (55, 1465648), (80, 1007633), (88, 916030), (94, 857560), (110, 732824), (176, 458015), (188, 428780), (220, 366412), (235, 343024), (376, 214390), (440, 183206), (470, 171512), (517, 155920), (752, 107195), (880, 91603), (940, 85756), (1034, 77960), (1880, 42878), (1949, 41360), (2068, 38980), (2585, 31184), (3760, 21439), (3898, 20680), (4136, 19490), (5170, 15592), (7796, 10340), (8272, 9745)]