201018025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1009}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 269140760

約数和(自身を除く): 68122735

約数列:

[1, 5, 13, 25, 65, 325, 613, 1009, 3065, 5045, 7969, 13117, 15325, 25225, 39845, 65585, 199225, 327925, 618517, 3092585, 8040721, 15462925, 40203605, 201018025]

約数ペア:

[(1, 201018025), (5, 40203605), (13, 15462925), (25, 8040721), (65, 3092585), (325, 618517), (613, 327925), (1009, 199225), (3065, 65585), (5045, 39845), (7969, 25225), (13117, 15325)]