25840876

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{90989}}^1$

素因数の和:91064

約数の個数: 12

約数和(自身を含む): 45858960

約数和(自身を除く): 20018084

約数列:

[1, 2, 4, 71, 142, 284, 90989, 181978, 363956, 6460219, 12920438, 25840876]

約数ペア:

[(1, 25840876), (2, 12920438), (4, 6460219), (71, 363956), (142, 181978), (284, 90989)]