28500625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1522

約数の個数: 20

約数和(自身を含む): 36788224

約数和(自身を除く): 8287599

約数列:

[1, 5, 25, 31, 125, 155, 625, 775, 1471, 3875, 7355, 19375, 36775, 45601, 183875, 228005, 919375, 1140025, 5700125, 28500625]

約数ペア:

[(1, 28500625), (5, 5700125), (25, 1140025), (31, 919375), (125, 228005), (155, 183875), (625, 45601), (775, 36775), (1471, 19375), (3875, 7355)]