25780210

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{10271}}^1$

素因数の和:10529

約数の個数: 16

約数和(自身を含む): 46593792

約数和(自身を除く): 20813582

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 10271, 20542, 51355, 102710, 2578021, 5156042, 12890105, 25780210]

約数ペア:

[(1, 25780210), (2, 12890105), (5, 5156042), (10, 2578021), (251, 102710), (502, 51355), (1255, 20542), (2510, 10271)]