25128976

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{11299}}^1$

素因数の和:11446

約数の個数: 20

約数和(自身を含む): 49042000

約数和(自身を除く): 23913024

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 11299, 22598, 45196, 90392, 180784, 1570561, 3141122, 6282244, 12564488, 25128976]

約数ペア:

[(1, 25128976), (2, 12564488), (4, 6282244), (8, 3141122), (16, 1570561), (139, 180784), (278, 90392), (556, 45196), (1112, 22598), (2224, 11299)]