142009480

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13499}}^1$

素因数の和:13773

約数の個数: 32

約数和(自身を含む): 320760000

約数和(自身を除く): 178750520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 13499, 26998, 53996, 67495, 107992, 134990, 269980, 539960, 3550237, 7100474, 14200948, 17751185, 28401896, 35502370, 71004740, 142009480]

約数ペア:

[(1, 142009480), (2, 71004740), (4, 35502370), (5, 28401896), (8, 17751185), (10, 14200948), (20, 7100474), (40, 3550237), (263, 539960), (526, 269980), (1052, 134990), (1315, 107992), (2104, 67495), (2630, 53996), (5260, 26998), (10520, 13499)]