28386250

素因数分解:

$2^1\times 5^4\times {\mathrm{22709}}^1$

素因数の和:22731

約数の個数: 20

約数和(自身を含む): 53209530

約数和(自身を除く): 24823280

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22709, 45418, 113545, 227090, 567725, 1135450, 2838625, 5677250, 14193125, 28386250]

約数ペア:

[(1, 28386250), (2, 14193125), (5, 5677250), (10, 2838625), (25, 1135450), (50, 567725), (125, 227090), (250, 113545), (625, 45418), (1250, 22709)]