31091440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8269}}^1$

素因数の和:8329

約数の個数: 40

約数和(自身を含む): 73834560

約数和(自身を除く): 42743120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 8269, 16538, 33076, 41345, 66152, 82690, 132304, 165380, 330760, 388643, 661520, 777286, 1554572, 1943215, 3109144, 3886430, 6218288, 7772860, 15545720, 31091440]

約数ペア:

[(1, 31091440), (2, 15545720), (4, 7772860), (5, 6218288), (8, 3886430), (10, 3109144), (16, 1943215), (20, 1554572), (40, 777286), (47, 661520), (80, 388643), (94, 330760), (188, 165380), (235, 132304), (376, 82690), (470, 66152), (752, 41345), (940, 33076), (1880, 16538), (3760, 8269)]