25885340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99559}}^1$

素因数の和:99581

約数の個数: 24

約数和(自身を含む): 58541280

約数和(自身を除く): 32655940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99559, 199118, 398236, 497795, 995590, 1294267, 1991180, 2588534, 5177068, 6471335, 12942670, 25885340]

約数ペア:

[(1, 25885340), (2, 12942670), (4, 6471335), (5, 5177068), (10, 2588534), (13, 1991180), (20, 1294267), (26, 995590), (52, 497795), (65, 398236), (130, 199118), (260, 99559)]