25716140

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4889}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 54220320

約数和(自身を除く): 28504180

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 4889, 5260, 9778, 19556, 24445, 48890, 97780, 1285807, 2571614, 5143228, 6429035, 12858070, 25716140]

約数ペア:

[(1, 25716140), (2, 12858070), (4, 6429035), (5, 5143228), (10, 2571614), (20, 1285807), (263, 97780), (526, 48890), (1052, 24445), (1315, 19556), (2630, 9778), (4889, 5260)]