25115792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120749}}^1$

素因数の和:120770

約数の個数: 20

約数和(自身を含む): 52405500

約数和(自身を除く): 27289708

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120749, 241498, 482996, 965992, 1569737, 1931984, 3139474, 6278948, 12557896, 25115792]

約数ペア:

[(1, 25115792), (2, 12557896), (4, 6278948), (8, 3139474), (13, 1931984), (16, 1569737), (26, 965992), (52, 482996), (104, 241498), (208, 120749)]