260047225

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 328025880

約数和(自身を除く): 67978655

約数列:

[1, 5, 25, 101, 181, 505, 569, 905, 2525, 2845, 4525, 14225, 18281, 57469, 91405, 102989, 287345, 457025, 514945, 1436725, 2574725, 10401889, 52009445, 260047225]

約数ペア:

[(1, 260047225), (5, 52009445), (25, 10401889), (101, 2574725), (181, 1436725), (505, 514945), (569, 457025), (905, 287345), (2525, 102989), (2845, 91405), (4525, 57469), (14225, 18281)]