25891370

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3917}}^1$

素因数の和:4585

約数の個数: 16

約数和(自身を含む): 46686888

約数和(自身を除く): 20795518

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 3917, 6610, 7834, 19585, 39170, 2589137, 5178274, 12945685, 25891370]

約数ペア:

[(1, 25891370), (2, 12945685), (5, 5178274), (10, 2589137), (661, 39170), (1322, 19585), (3305, 7834), (3917, 6610)]