13402220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 31916640

約数和(自身を除く): 18514420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2713, 4940, 5426, 10852, 13565, 27130, 35269, 51547, 54260, 70538, 103094, 141076, 176345, 206188, 257735, 352690, 515470, 670111, 705380, 1030940, 1340222, 2680444, 3350555, 6701110, 13402220]

約数ペア:

[(1, 13402220), (2, 6701110), (4, 3350555), (5, 2680444), (10, 1340222), (13, 1030940), (19, 705380), (20, 670111), (26, 515470), (38, 352690), (52, 257735), (65, 206188), (76, 176345), (95, 141076), (130, 103094), (190, 70538), (247, 54260), (260, 51547), (380, 35269), (494, 27130), (988, 13565), (1235, 10852), (2470, 5426), (2713, 4940)]