159785470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1279}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 320302080

約数和(自身を除く): 160516610

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1279, 1922, 2015, 2558, 4030, 4805, 6395, 9610, 12493, 12790, 16627, 24986, 33254, 39649, 62465, 79298, 83135, 124930, 166270, 198245, 396490, 515437, 1030874, 1229119, 2458238, 2577185, 5154370, 6145595, 12291190, 15978547, 31957094, 79892735, 159785470]

約数ペア:

[(1, 159785470), (2, 79892735), (5, 31957094), (10, 15978547), (13, 12291190), (26, 6145595), (31, 5154370), (62, 2577185), (65, 2458238), (130, 1229119), (155, 1030874), (310, 515437), (403, 396490), (806, 198245), (961, 166270), (1279, 124930), (1922, 83135), (2015, 79298), (2558, 62465), (4030, 39649), (4805, 33254), (6395, 24986), (9610, 16627), (12493, 12790)]