79948880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1933}}^1$

素因数の和:2004

約数の個数: 80

約数和(自身を含む): 207201024

約数和(自身を除く): 127252144

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, 1933, 2068, 2585, 3760, 3866, 4136, 5170, 7732, 8272, 9665, 10340, 15464, 19330, 20680, 21263, 30928, 38660, 41360, 42526, 77320, 85052, 90851, 106315, 154640, 170104, 181702, 212630, 340208, 363404, 425260, 454255, 726808, 850520, 908510, 999361, 1453616, 1701040, 1817020, 1998722, 3634040, 3997444, 4996805, 7268080, 7994888, 9993610, 15989776, 19987220, 39974440, 79948880]

約数ペア:

[(1, 79948880), (2, 39974440), (4, 19987220), (5, 15989776), (8, 9993610), (10, 7994888), (11, 7268080), (16, 4996805), (20, 3997444), (22, 3634040), (40, 1998722), (44, 1817020), (47, 1701040), (55, 1453616), (80, 999361), (88, 908510), (94, 850520), (110, 726808), (176, 454255), (188, 425260), (220, 363404), (235, 340208), (376, 212630), (440, 181702), (470, 170104), (517, 154640), (752, 106315), (880, 90851), (940, 85052), (1034, 77320), (1880, 42526), (1933, 41360), (2068, 38660), (2585, 30928), (3760, 21263), (3866, 20680), (4136, 19330), (5170, 15464), (7732, 10340), (8272, 9665)]