89340425

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{40153}}^1$

素因数の和:40252

約数の個数: 12

約数和(自身を含む): 112029660

約数和(自身を除く): 22689235

約数列:

[1, 5, 25, 89, 445, 2225, 40153, 200765, 1003825, 3573617, 17868085, 89340425]

約数ペア:

[(1, 89340425), (5, 17868085), (25, 3573617), (89, 1003825), (445, 200765), (2225, 40153)]