25761136

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{4139}}^1$

素因数の和:4536

約数の個数: 20

約数和(自身を含む): 50052600

約数和(自身を除く): 24291464

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 4139, 6224, 8278, 16556, 33112, 66224, 1610071, 3220142, 6440284, 12880568, 25761136]

約数ペア:

[(1, 25761136), (2, 12880568), (4, 6440284), (8, 3220142), (16, 1610071), (389, 66224), (778, 33112), (1556, 16556), (3112, 8278), (4139, 6224)]