206520025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2207}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 271054080

約数和(自身を除く): 64534055

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 2207, 3743, 4925, 11035, 18715, 41933, 55175, 93575, 209665, 434779, 1048325, 2173895, 8260801, 10869475, 41304005, 206520025]

約数ペア:

[(1, 206520025), (5, 41304005), (19, 10869475), (25, 8260801), (95, 2173895), (197, 1048325), (475, 434779), (985, 209665), (2207, 93575), (3743, 55175), (4925, 41933), (11035, 18715)]