80766680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42961}}^1$

素因数の和:43019

約数の個数: 32

約数和(自身を含む): 185595840

約数和(自身を除く): 104829160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42961, 85922, 171844, 214805, 343688, 429610, 859220, 1718440, 2019167, 4038334, 8076668, 10095835, 16153336, 20191670, 40383340, 80766680]

約数ペア:

[(1, 80766680), (2, 40383340), (4, 20191670), (5, 16153336), (8, 10095835), (10, 8076668), (20, 4038334), (40, 2019167), (47, 1718440), (94, 859220), (188, 429610), (235, 343688), (376, 214805), (470, 171844), (940, 85922), (1880, 42961)]