201648025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{260191}}^1$

素因数の和:260232

約数の個数: 12

約数和(自身を含む): 258110464

約数和(自身を除く): 56462439

約数列:

[1, 5, 25, 31, 155, 775, 260191, 1300955, 6504775, 8065921, 40329605, 201648025]

約数ペア:

[(1, 201648025), (5, 40329605), (25, 8065921), (31, 6504775), (155, 1300955), (775, 260191)]