28250225

素因数分解:

$5^2\times {\mathrm{571}}^1\times {\mathrm{1979}}^1$

素因数の和:2560

約数の個数: 12

約数和(自身を含む): 35109360

約数和(自身を除く): 6859135

約数列:

[1, 5, 25, 571, 1979, 2855, 9895, 14275, 49475, 1130009, 5650045, 28250225]

約数ペア:

[(1, 28250225), (5, 5650045), (25, 1130009), (571, 49475), (1979, 14275), (2855, 9895)]