25361648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121931}}^1$

素因数の和:121952

約数の個数: 20

約数和(自身を含む): 52918488

約数和(自身を除く): 27556840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121931, 243862, 487724, 975448, 1585103, 1950896, 3170206, 6340412, 12680824, 25361648]

約数ペア:

[(1, 25361648), (2, 12680824), (4, 6340412), (8, 3170206), (13, 1950896), (16, 1585103), (26, 975448), (52, 487724), (104, 243862), (208, 121931)]