220581310

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{87881}}^1$

素因数の和:88139

約数の個数: 16

約数和(自身を含む): 398632752

約数和(自身を除く): 178051442

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 87881, 175762, 439405, 878810, 22058131, 44116262, 110290655, 220581310]

約数ペア:

[(1, 220581310), (2, 110290655), (5, 44116262), (10, 22058131), (251, 878810), (502, 439405), (1255, 175762), (2510, 87881)]