2163620

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 4572288

約数和(自身を除く): 2408668

約数列:

[1, 2, 4, 5, 10, 20, 251, 431, 502, 862, 1004, 1255, 1724, 2155, 2510, 4310, 5020, 8620, 108181, 216362, 432724, 540905, 1081810, 2163620]

約数ペア:

[(1, 2163620), (2, 1081810), (4, 540905), (5, 432724), (10, 216362), (20, 108181), (251, 8620), (431, 5020), (502, 4310), (862, 2510), (1004, 2155), (1255, 1724)]