28380815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 6758065

約数列:

[1, 5, 41, 167, 205, 829, 835, 4145, 6847, 33989, 34235, 138443, 169945, 692215, 5676163, 28380815]

約数ペア:

[(1, 28380815), (5, 5676163), (41, 692215), (167, 169945), (205, 138443), (829, 34235), (835, 33989), (4145, 6847)]