123349880

素因数分解:

$2^3\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{2161}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 277860240

約数和(自身を除く): 154510360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1427, 2161, 2854, 4322, 5708, 7135, 8644, 10805, 11416, 14270, 17288, 21610, 28540, 43220, 57080, 86440, 3083747, 6167494, 12334988, 15418735, 24669976, 30837470, 61674940, 123349880]

約数ペア:

[(1, 123349880), (2, 61674940), (4, 30837470), (5, 24669976), (8, 15418735), (10, 12334988), (20, 6167494), (40, 3083747), (1427, 86440), (2161, 57080), (2854, 43220), (4322, 28540), (5708, 21610), (7135, 17288), (8644, 14270), (10805, 11416)]