12738625

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 16071120

約数和(自身を除く): 3332495

約数列:

[1, 5, 25, 101, 125, 505, 1009, 2525, 5045, 12625, 25225, 101909, 126125, 509545, 2547725, 12738625]

約数ペア:

[(1, 12738625), (5, 2547725), (25, 509545), (101, 126125), (125, 101909), (505, 25225), (1009, 12625), (2525, 5045)]