203203025

素因数分解:

$5^2\times {\mathrm{521}}^1\times {\mathrm{15601}}^1$

素因数の和:16132

約数の個数: 12

約数和(自身を含む): 252471564

約数和(自身を除く): 49268539

約数列:

[1, 5, 25, 521, 2605, 13025, 15601, 78005, 390025, 8128121, 40640605, 203203025]

約数ペア:

[(1, 203203025), (5, 40640605), (25, 8128121), (521, 390025), (2605, 78005), (13025, 15601)]