266771240

素因数分解:

$2^3\times 5^1\times {\mathrm{6669281}}^1$

素因数の和:6669292

約数の個数: 16

約数和(自身を含む): 600235380

約数和(自身を除く): 333464140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6669281, 13338562, 26677124, 33346405, 53354248, 66692810, 133385620, 266771240]

約数ペア:

[(1, 266771240), (2, 133385620), (4, 66692810), (5, 53354248), (8, 33346405), (10, 26677124), (20, 13338562), (40, 6669281)]