1242680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 2859840

約数和(自身を除く): 1617160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 661, 940, 1322, 1880, 2644, 3305, 5288, 6610, 13220, 26440, 31067, 62134, 124268, 155335, 248536, 310670, 621340, 1242680]

約数ペア:

[(1, 1242680), (2, 621340), (4, 310670), (5, 248536), (8, 155335), (10, 124268), (20, 62134), (40, 31067), (47, 26440), (94, 13220), (188, 6610), (235, 5288), (376, 3305), (470, 2644), (661, 1880), (940, 1322)]