25640056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{246539}}^1$

素因数の和:246558

約数の個数: 16

約数和(自身を含む): 51773400

約数和(自身を除く): 26133344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 246539, 493078, 986156, 1972312, 3205007, 6410014, 12820028, 25640056]

約数ペア:

[(1, 25640056), (2, 12820028), (4, 6410014), (8, 3205007), (13, 1972312), (26, 986156), (52, 493078), (104, 246539)]