25339568

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{19081}}^1$

素因数の和:19172

約数の個数: 20

約数和(自身を含む): 49689528

約数和(自身を除く): 24349960

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 19081, 38162, 76324, 152648, 305296, 1583723, 3167446, 6334892, 12669784, 25339568]

約数ペア:

[(1, 25339568), (2, 12669784), (4, 6334892), (8, 3167446), (16, 1583723), (83, 305296), (166, 152648), (332, 76324), (664, 38162), (1328, 19081)]