51404120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 122688000

約数和(自身を除く): 71283880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 239, 283, 380, 478, 566, 760, 956, 1132, 1195, 1415, 1912, 2264, 2390, 2830, 4541, 4780, 5377, 5660, 9082, 9560, 10754, 11320, 18164, 21508, 22705, 26885, 36328, 43016, 45410, 53770, 67637, 90820, 107540, 135274, 181640, 215080, 270548, 338185, 541096, 676370, 1285103, 1352740, 2570206, 2705480, 5140412, 6425515, 10280824, 12851030, 25702060, 51404120]

約数ペア:

[(1, 51404120), (2, 25702060), (4, 12851030), (5, 10280824), (8, 6425515), (10, 5140412), (19, 2705480), (20, 2570206), (38, 1352740), (40, 1285103), (76, 676370), (95, 541096), (152, 338185), (190, 270548), (239, 215080), (283, 181640), (380, 135274), (478, 107540), (566, 90820), (760, 67637), (956, 53770), (1132, 45410), (1195, 43016), (1415, 36328), (1912, 26885), (2264, 22705), (2390, 21508), (2830, 18164), (4541, 11320), (4780, 10754), (5377, 9560), (5660, 9082)]