20161425520

素因数分解:

$2^4\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{235751}}^1$

素因数の和:236833

約数の個数: 40

約数和(自身を含む): 46919363040

約数和(自身を除く): 26757937520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069, 2138, 4276, 5345, 8552, 10690, 17104, 21380, 42760, 85520, 235751, 471502, 943004, 1178755, 1886008, 2357510, 3772016, 4715020, 9430040, 18860080, 252017819, 504035638, 1008071276, 1260089095, 2016142552, 2520178190, 4032285104, 5040356380, 10080712760, 20161425520]

約数ペア:

[(1, 20161425520), (2, 10080712760), (4, 5040356380), (5, 4032285104), (8, 2520178190), (10, 2016142552), (16, 1260089095), (20, 1008071276), (40, 504035638), (80, 252017819), (1069, 18860080), (2138, 9430040), (4276, 4715020), (5345, 3772016), (8552, 2357510), (10690, 1886008), (17104, 1178755), (21380, 943004), (42760, 471502), (85520, 235751)]