85520720

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4259}}^1$

素因数の和:4523

約数の個数: 40

約数和(自身を含む): 199674720

約数和(自身を除く): 114154000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 4259, 5020, 8518, 10040, 17036, 20080, 21295, 34072, 42590, 68144, 85180, 170360, 340720, 1069009, 2138018, 4276036, 5345045, 8552072, 10690090, 17104144, 21380180, 42760360, 85520720]

約数ペア:

[(1, 85520720), (2, 42760360), (4, 21380180), (5, 17104144), (8, 10690090), (10, 8552072), (16, 5345045), (20, 4276036), (40, 2138018), (80, 1069009), (251, 340720), (502, 170360), (1004, 85180), (1255, 68144), (2008, 42590), (2510, 34072), (4016, 21295), (4259, 20080), (5020, 17036), (8518, 10040)]