39727775

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 50740800

約数和(自身を除く): 11013025

約数列:

[1, 5, 25, 61, 109, 239, 305, 545, 1195, 1525, 2725, 5975, 6649, 14579, 26051, 33245, 72895, 130255, 166225, 364475, 651275, 1589111, 7945555, 39727775]

約数ペア:

[(1, 39727775), (5, 7945555), (25, 1589111), (61, 651275), (109, 364475), (239, 166225), (305, 130255), (545, 72895), (1195, 33245), (1525, 26051), (2725, 14579), (5975, 6649)]