26661640

素因数分解:

$2^3\times 5^1\times {\mathrm{666541}}^1$

素因数の和:666552

約数の個数: 16

約数和(自身を含む): 59988780

約数和(自身を除く): 33327140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 666541, 1333082, 2666164, 3332705, 5332328, 6665410, 13330820, 26661640]

約数ペア:

[(1, 26661640), (2, 13330820), (4, 6665410), (5, 5332328), (8, 3332705), (10, 2666164), (20, 1333082), (40, 666541)]