25651875

素因数分解:

$3^1\times 5^4\times {\mathrm{13681}}^1$

素因数の和:13704

約数の個数: 20

約数和(自身を含む): 42742568

約数和(自身を除く): 17090693

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 13681, 41043, 68405, 205215, 342025, 1026075, 1710125, 5130375, 8550625, 25651875]

約数ペア:

[(1, 25651875), (3, 8550625), (5, 5130375), (15, 1710125), (25, 1026075), (75, 342025), (125, 205215), (375, 68405), (625, 41043), (1875, 13681)]