138511280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13633}}^1$

素因数の和:13773

約数の個数: 40

約数和(自身を含む): 324598272

約数和(自身を除く): 186086992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 13633, 27266, 54532, 68165, 109064, 136330, 218128, 272660, 545320, 1090640, 1731391, 3462782, 6925564, 8656955, 13851128, 17313910, 27702256, 34627820, 69255640, 138511280]

約数ペア:

[(1, 138511280), (2, 69255640), (4, 34627820), (5, 27702256), (8, 17313910), (10, 13851128), (16, 8656955), (20, 6925564), (40, 3462782), (80, 1731391), (127, 1090640), (254, 545320), (508, 272660), (635, 218128), (1016, 136330), (1270, 109064), (2032, 68165), (2540, 54532), (5080, 27266), (10160, 13633)]