28771625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{7937}}^1$

素因数の和:7981

約数の個数: 16

約数和(自身を含む): 37149840

約数和(自身を除く): 8378215

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 7937, 39685, 198425, 230173, 992125, 1150865, 5754325, 28771625]

約数ペア:

[(1, 28771625), (5, 5754325), (25, 1150865), (29, 992125), (125, 230173), (145, 198425), (725, 39685), (3625, 7937)]