28641125

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{7901}}^1$

素因数の和:7945

約数の個数: 16

約数和(自身を含む): 36981360

約数和(自身を除く): 8340235

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 7901, 39505, 197525, 229129, 987625, 1145645, 5728225, 28641125]

約数ペア:

[(1, 28641125), (5, 5728225), (25, 1145645), (29, 987625), (125, 229129), (145, 197525), (725, 39505), (3625, 7901)]