138437620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{54503}}^1$

素因数の和:54639

約数の個数: 24

約数和(自身を含む): 293013504

約数和(自身を除く): 154575884

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 54503, 109006, 218012, 272515, 545030, 1090060, 6921881, 13843762, 27687524, 34609405, 69218810, 138437620]

約数ペア:

[(1, 138437620), (2, 69218810), (4, 34609405), (5, 27687524), (10, 13843762), (20, 6921881), (127, 1090060), (254, 545030), (508, 272515), (635, 218012), (1270, 109006), (2540, 54503)]