25632820

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4561}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 54032328

約数和(自身を除く): 28399508

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 4561, 5620, 9122, 18244, 22805, 45610, 91220, 1281641, 2563282, 5126564, 6408205, 12816410, 25632820]

約数ペア:

[(1, 25632820), (2, 12816410), (4, 6408205), (5, 5126564), (10, 2563282), (20, 1281641), (281, 91220), (562, 45610), (1124, 22805), (1405, 18244), (2810, 9122), (4561, 5620)]