205217825

素因数分解:

$5^2\times {\mathrm{1297}}^1\times {\mathrm{6329}}^1$

素因数の和:7636

約数の個数: 12

約数和(自身を含む): 254706540

約数和(自身を除く): 49488715

約数列:

[1, 5, 25, 1297, 6329, 6485, 31645, 32425, 158225, 8208713, 41043565, 205217825]

約数ペア:

[(1, 205217825), (5, 41043565), (25, 8208713), (1297, 158225), (6329, 32425), (6485, 31645)]