85520480

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1987}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 202895280

約数和(自身を除く): 117374800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 1987, 2152, 2690, 3974, 4304, 5380, 7948, 8608, 9935, 10760, 15896, 19870, 21520, 31792, 39740, 43040, 63584, 79480, 158960, 317920, 534503, 1069006, 2138012, 2672515, 4276024, 5345030, 8552048, 10690060, 17104096, 21380120, 42760240, 85520480]

約数ペア:

[(1, 85520480), (2, 42760240), (4, 21380120), (5, 17104096), (8, 10690060), (10, 8552048), (16, 5345030), (20, 4276024), (32, 2672515), (40, 2138012), (80, 1069006), (160, 534503), (269, 317920), (538, 158960), (1076, 79480), (1345, 63584), (1987, 43040), (2152, 39740), (2690, 31792), (3974, 21520), (4304, 19870), (5380, 15896), (7948, 10760), (8608, 9935)]