68421860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2713}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 156391536

約数和(自身を除く): 87969676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 2713, 5044, 5426, 6305, 10852, 12610, 13565, 25220, 27130, 35269, 54260, 70538, 141076, 176345, 263161, 352690, 526322, 705380, 1052644, 1315805, 2631610, 3421093, 5263220, 6842186, 13684372, 17105465, 34210930, 68421860]

約数ペア:

[(1, 68421860), (2, 34210930), (4, 17105465), (5, 13684372), (10, 6842186), (13, 5263220), (20, 3421093), (26, 2631610), (52, 1315805), (65, 1052644), (97, 705380), (130, 526322), (194, 352690), (260, 263161), (388, 176345), (485, 141076), (970, 70538), (1261, 54260), (1940, 35269), (2522, 27130), (2713, 25220), (5044, 13565), (5426, 12610), (6305, 10852)]