31542880

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 75116160

約数和(自身を除く): 43573280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 1439, 2192, 2740, 2878, 4384, 5480, 5756, 7195, 10960, 11512, 14390, 21920, 23024, 28780, 46048, 57560, 115120, 197143, 230240, 394286, 788572, 985715, 1577144, 1971430, 3154288, 3942860, 6308576, 7885720, 15771440, 31542880]

約数ペア:

[(1, 31542880), (2, 15771440), (4, 7885720), (5, 6308576), (8, 3942860), (10, 3154288), (16, 1971430), (20, 1577144), (32, 985715), (40, 788572), (80, 394286), (137, 230240), (160, 197143), (274, 115120), (548, 57560), (685, 46048), (1096, 28780), (1370, 23024), (1439, 21920), (2192, 14390), (2740, 11512), (2878, 10960), (4384, 7195), (5480, 5756)]