25578155

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 5720245

約数列:

[1, 5, 89, 229, 251, 445, 1145, 1255, 20381, 22339, 57479, 101905, 111695, 287395, 5115631, 25578155]

約数ペア:

[(1, 25578155), (5, 5115631), (89, 287395), (229, 111695), (251, 101905), (445, 57479), (1145, 22339), (1255, 20381)]