39401180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21649}}^1$

素因数の和:21678

約数の個数: 48

約数和(自身を含む): 101841600

約数和(自身を除く): 62440420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21649, 43298, 86596, 108245, 151543, 216490, 281437, 303086, 432980, 562874, 606172, 757715, 1125748, 1407185, 1515430, 1970059, 2814370, 3030860, 3940118, 5628740, 7880236, 9850295, 19700590, 39401180]

約数ペア:

[(1, 39401180), (2, 19700590), (4, 9850295), (5, 7880236), (7, 5628740), (10, 3940118), (13, 3030860), (14, 2814370), (20, 1970059), (26, 1515430), (28, 1407185), (35, 1125748), (52, 757715), (65, 606172), (70, 562874), (91, 432980), (130, 303086), (140, 281437), (182, 216490), (260, 151543), (364, 108245), (455, 86596), (910, 43298), (1820, 21649)]