26795470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 28201010

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 109, 122, 130, 155, 218, 305, 310, 403, 545, 610, 793, 806, 1090, 1417, 1586, 1891, 2015, 2834, 3379, 3782, 3965, 4030, 6649, 6758, 7085, 7930, 9455, 13298, 14170, 16895, 18910, 24583, 33245, 33790, 43927, 49166, 66490, 86437, 87854, 122915, 172874, 206119, 219635, 245830, 412238, 432185, 439270, 864370, 1030595, 2061190, 2679547, 5359094, 13397735, 26795470]

約数ペア:

[(1, 26795470), (2, 13397735), (5, 5359094), (10, 2679547), (13, 2061190), (26, 1030595), (31, 864370), (61, 439270), (62, 432185), (65, 412238), (109, 245830), (122, 219635), (130, 206119), (155, 172874), (218, 122915), (305, 87854), (310, 86437), (403, 66490), (545, 49166), (610, 43927), (793, 33790), (806, 33245), (1090, 24583), (1417, 18910), (1586, 16895), (1891, 14170), (2015, 13298), (2834, 9455), (3379, 7930), (3782, 7085), (3965, 6758), (4030, 6649)]