25904528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124541}}^1$

素因数の和:124562

約数の個数: 20

約数和(自身を含む): 54051228

約数和(自身を除く): 28146700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124541, 249082, 498164, 996328, 1619033, 1992656, 3238066, 6476132, 12952264, 25904528]

約数ペア:

[(1, 25904528), (2, 12952264), (4, 6476132), (8, 3238066), (13, 1992656), (16, 1619033), (26, 996328), (52, 498164), (104, 249082), (208, 124541)]