38868775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 56960640

約数和(自身を除く): 18091865

約数列:

[1, 5, 11, 19, 25, 43, 55, 95, 173, 209, 215, 275, 473, 475, 817, 865, 1045, 1075, 1903, 2365, 3287, 4085, 4325, 5225, 7439, 8987, 9515, 11825, 16435, 20425, 36157, 37195, 44935, 47575, 81829, 82175, 141341, 180785, 185975, 224675, 409145, 706705, 903925, 1554751, 2045725, 3533525, 7773755, 38868775]

約数ペア:

[(1, 38868775), (5, 7773755), (11, 3533525), (19, 2045725), (25, 1554751), (43, 903925), (55, 706705), (95, 409145), (173, 224675), (209, 185975), (215, 180785), (275, 141341), (473, 82175), (475, 81829), (817, 47575), (865, 44935), (1045, 37195), (1075, 36157), (1903, 20425), (2365, 16435), (3287, 11825), (4085, 9515), (4325, 8987), (5225, 7439)]