225990025

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{89501}}^1$

素因数の和:89612

約数の個数: 12

約数和(自身を含む): 283005324

約数和(自身を除く): 57015299

約数列:

[1, 5, 25, 101, 505, 2525, 89501, 447505, 2237525, 9039601, 45198005, 225990025]

約数ペア:

[(1, 225990025), (5, 45198005), (25, 9039601), (101, 2237525), (505, 447505), (2525, 89501)]