205152025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33223}}^1$

素因数の和:33265

約数の個数: 24

約数和(自身を含む): 288384320

約数和(自身を除く): 83232295

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 33223, 166115, 431899, 631237, 830575, 2159495, 3156185, 8206081, 10797475, 15780925, 41030405, 205152025]

約数ペア:

[(1, 205152025), (5, 41030405), (13, 15780925), (19, 10797475), (25, 8206081), (65, 3156185), (95, 2159495), (247, 830575), (325, 631237), (475, 431899), (1235, 166115), (6175, 33223)]