87844820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27281}}^1$

素因数の和:27320

約数の個数: 48

約数和(自身を含む): 220002048

約数和(自身を除く): 132157228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27281, 54562, 109124, 136405, 190967, 272810, 381934, 545620, 627463, 763868, 954835, 1254926, 1909670, 2509852, 3137315, 3819340, 4392241, 6274630, 8784482, 12549260, 17568964, 21961205, 43922410, 87844820]

約数ペア:

[(1, 87844820), (2, 43922410), (4, 21961205), (5, 17568964), (7, 12549260), (10, 8784482), (14, 6274630), (20, 4392241), (23, 3819340), (28, 3137315), (35, 2509852), (46, 1909670), (70, 1254926), (92, 954835), (115, 763868), (140, 627463), (161, 545620), (230, 381934), (322, 272810), (460, 190967), (644, 136405), (805, 109124), (1610, 54562), (3220, 27281)]