28049060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107881}}^1$

素因数の和:107903

約数の個数: 24

約数和(自身を含む): 63434616

約数和(自身を除く): 35385556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 107881, 215762, 431524, 539405, 1078810, 1402453, 2157620, 2804906, 5609812, 7012265, 14024530, 28049060]

約数ペア:

[(1, 28049060), (2, 14024530), (4, 7012265), (5, 5609812), (10, 2804906), (13, 2157620), (20, 1402453), (26, 1078810), (52, 539405), (65, 431524), (130, 215762), (260, 107881)]