25456912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122389}}^1$

素因数の和:122410

約数の個数: 20

約数和(自身を含む): 53117260

約数和(自身を除く): 27660348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122389, 244778, 489556, 979112, 1591057, 1958224, 3182114, 6364228, 12728456, 25456912]

約数ペア:

[(1, 25456912), (2, 12728456), (4, 6364228), (8, 3182114), (13, 1958224), (16, 1591057), (26, 979112), (52, 489556), (104, 244778), (208, 122389)]