90441920

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2217

約数の個数: 56

約数和(自身を含む): 217041984

約数和(自身を除く): 126600064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 2063, 2192, 2740, 4126, 4384, 5480, 8252, 8768, 10315, 10960, 16504, 20630, 21920, 33008, 41260, 43840, 66016, 82520, 132032, 165040, 282631, 330080, 565262, 660160, 1130524, 1413155, 2261048, 2826310, 4522096, 5652620, 9044192, 11305240, 18088384, 22610480, 45220960, 90441920]

約数ペア:

[(1, 90441920), (2, 45220960), (4, 22610480), (5, 18088384), (8, 11305240), (10, 9044192), (16, 5652620), (20, 4522096), (32, 2826310), (40, 2261048), (64, 1413155), (80, 1130524), (137, 660160), (160, 565262), (274, 330080), (320, 282631), (548, 165040), (685, 132032), (1096, 82520), (1370, 66016), (2063, 43840), (2192, 41260), (2740, 33008), (4126, 21920), (4384, 20630), (5480, 16504), (8252, 10960), (8768, 10315)]