25890860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18233}}^1$

素因数の和:18313

約数の個数: 24

約数和(自身を含む): 55139616

約数和(自身を除く): 29248756

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18233, 36466, 72932, 91165, 182330, 364660, 1294543, 2589086, 5178172, 6472715, 12945430, 25890860]

約数ペア:

[(1, 25890860), (2, 12945430), (4, 6472715), (5, 5178172), (10, 2589086), (20, 1294543), (71, 364660), (142, 182330), (284, 91165), (355, 72932), (710, 36466), (1420, 18233)]