2688892120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{25589}}^1$

素因数の和:25708

約数の個数: 64

約数和(自身を含む): 6301281600

約数和(自身を除く): 3612389480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1420, 1480, 2627, 2840, 5254, 10508, 13135, 21016, 25589, 26270, 51178, 52540, 102356, 105080, 127945, 204712, 255890, 511780, 946793, 1023560, 1816819, 1893586, 3633638, 3787172, 4733965, 7267276, 7574344, 9084095, 9467930, 14534552, 18168190, 18935860, 36336380, 37871720, 67222303, 72672760, 134444606, 268889212, 336111515, 537778424, 672223030, 1344446060, 2688892120]

約数ペア:

[(1, 2688892120), (2, 1344446060), (4, 672223030), (5, 537778424), (8, 336111515), (10, 268889212), (20, 134444606), (37, 72672760), (40, 67222303), (71, 37871720), (74, 36336380), (142, 18935860), (148, 18168190), (185, 14534552), (284, 9467930), (296, 9084095), (355, 7574344), (370, 7267276), (568, 4733965), (710, 3787172), (740, 3633638), (1420, 1893586), (1480, 1816819), (2627, 1023560), (2840, 946793), (5254, 511780), (10508, 255890), (13135, 204712), (21016, 127945), (25589, 105080), (26270, 102356), (51178, 52540)]