89177870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 165412800

約数和(自身を除く): 76234930

約数列:

[1, 2, 5, 10, 41, 82, 199, 205, 398, 410, 995, 1093, 1990, 2186, 5465, 8159, 10930, 16318, 40795, 44813, 81590, 89626, 217507, 224065, 435014, 448130, 1087535, 2175070, 8917787, 17835574, 44588935, 89177870]

約数ペア:

[(1, 89177870), (2, 44588935), (5, 17835574), (10, 8917787), (41, 2175070), (82, 1087535), (199, 448130), (205, 435014), (398, 224065), (410, 217507), (995, 89626), (1093, 81590), (1990, 44813), (2186, 40795), (5465, 16318), (8159, 10930)]