25990288

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{19571}}^1$

素因数の和:19662

約数の個数: 20

約数和(自身を含む): 50965488

約数和(自身を除く): 24975200

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 19571, 39142, 78284, 156568, 313136, 1624393, 3248786, 6497572, 12995144, 25990288]

約数ペア:

[(1, 25990288), (2, 12995144), (4, 6497572), (8, 3248786), (16, 1624393), (83, 313136), (166, 156568), (332, 78284), (664, 39142), (1328, 19571)]