27807910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{523}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 54139680

約数和(自身を除く): 26331770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 523, 818, 1046, 2045, 2615, 4090, 5230, 5317, 6799, 10634, 13598, 26585, 33995, 53170, 67990, 213907, 427814, 1069535, 2139070, 2780791, 5561582, 13903955, 27807910]

約数ペア:

[(1, 27807910), (2, 13903955), (5, 5561582), (10, 2780791), (13, 2139070), (26, 1069535), (65, 427814), (130, 213907), (409, 67990), (523, 53170), (818, 33995), (1046, 26585), (2045, 13598), (2615, 10634), (4090, 6799), (5230, 5317)]