180620425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 230297760

約数和(自身を除く): 49677335

約数列:

[1, 5, 25, 43, 215, 401, 419, 1075, 2005, 2095, 10025, 10475, 17243, 18017, 86215, 90085, 168019, 431075, 450425, 840095, 4200475, 7224817, 36124085, 180620425]

約数ペア:

[(1, 180620425), (5, 36124085), (25, 7224817), (43, 4200475), (215, 840095), (401, 450425), (419, 431075), (1075, 168019), (2005, 90085), (2095, 86215), (10025, 18017), (10475, 17243)]