25315888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121711}}^1$

素因数の和:121732

約数の個数: 20

約数和(自身を含む): 52823008

約数和(自身を除く): 27507120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121711, 243422, 486844, 973688, 1582243, 1947376, 3164486, 6328972, 12657944, 25315888]

約数ペア:

[(1, 25315888), (2, 12657944), (4, 6328972), (8, 3164486), (13, 1947376), (16, 1582243), (26, 973688), (52, 486844), (104, 243422), (208, 121711)]