131905520

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6569}}^1$

素因数の和:6833

約数の個数: 40

約数和(自身を含む): 307949040

約数和(自身を除く): 176043520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 6569, 10040, 13138, 20080, 26276, 32845, 52552, 65690, 105104, 131380, 262760, 525520, 1648819, 3297638, 6595276, 8244095, 13190552, 16488190, 26381104, 32976380, 65952760, 131905520]

約数ペア:

[(1, 131905520), (2, 65952760), (4, 32976380), (5, 26381104), (8, 16488190), (10, 13190552), (16, 8244095), (20, 6595276), (40, 3297638), (80, 1648819), (251, 525520), (502, 262760), (1004, 131380), (1255, 105104), (2008, 65690), (2510, 52552), (4016, 32845), (5020, 26276), (6569, 20080), (10040, 13138)]