131719520

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2909}}^1$

素因数の和:3207

約数の個数: 48

約数和(自身を含む): 312394320

約数和(自身を除く): 180674800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 2264, 2830, 2909, 4528, 5660, 5818, 9056, 11320, 11636, 14545, 22640, 23272, 29090, 45280, 46544, 58180, 93088, 116360, 232720, 465440, 823247, 1646494, 3292988, 4116235, 6585976, 8232470, 13171952, 16464940, 26343904, 32929880, 65859760, 131719520]

約数ペア:

[(1, 131719520), (2, 65859760), (4, 32929880), (5, 26343904), (8, 16464940), (10, 13171952), (16, 8232470), (20, 6585976), (32, 4116235), (40, 3292988), (80, 1646494), (160, 823247), (283, 465440), (566, 232720), (1132, 116360), (1415, 93088), (2264, 58180), (2830, 46544), (2909, 45280), (4528, 29090), (5660, 23272), (5818, 22640), (9056, 14545), (11320, 11636)]