19755625

素因数分解:

$5^4\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:526

約数の個数: 20

約数和(自身を含む): 25082596

約数和(自身を除く): 5326971

約数列:

[1, 5, 25, 73, 125, 365, 433, 625, 1825, 2165, 9125, 10825, 31609, 45625, 54125, 158045, 270625, 790225, 3951125, 19755625]

約数ペア:

[(1, 19755625), (5, 3951125), (25, 790225), (73, 270625), (125, 158045), (365, 54125), (433, 45625), (625, 31609), (1825, 10825), (2165, 9125)]