25764784

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1405

約数の個数: 40

約数和(自身を含む): 53112672

約数和(自身を除く): 27347888

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1219, 1321, 2438, 2642, 4876, 5284, 9752, 10568, 19504, 21136, 30383, 60766, 70013, 121532, 140026, 243064, 280052, 486128, 560104, 1120208, 1610299, 3220598, 6441196, 12882392, 25764784]

約数ペア:

[(1, 25764784), (2, 12882392), (4, 6441196), (8, 3220598), (16, 1610299), (23, 1120208), (46, 560104), (53, 486128), (92, 280052), (106, 243064), (184, 140026), (212, 121532), (368, 70013), (424, 60766), (848, 30383), (1219, 21136), (1321, 19504), (2438, 10568), (2642, 9752), (4876, 5284)]