51401125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 67047552

約数和(自身を除く): 15646427

約数列:

[1, 5, 25, 43, 73, 125, 131, 215, 365, 655, 1075, 1825, 3139, 3275, 5375, 5633, 9125, 9563, 15695, 16375, 28165, 47815, 78475, 140825, 239075, 392375, 411209, 704125, 1195375, 2056045, 10280225, 51401125]

約数ペア:

[(1, 51401125), (5, 10280225), (25, 2056045), (43, 1195375), (73, 704125), (125, 411209), (131, 392375), (215, 239075), (365, 140825), (655, 78475), (1075, 47815), (1825, 28165), (3139, 16375), (3275, 15695), (5375, 9563), (5633, 9125)]