12585008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{25373}}^1$

素因数の和:25412

約数の個数: 20

約数和(自身を含む): 25171008

約数和(自身を除く): 12586000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 25373, 50746, 101492, 202984, 405968, 786563, 1573126, 3146252, 6292504, 12585008]

約数ペア:

[(1, 12585008), (2, 6292504), (4, 3146252), (8, 1573126), (16, 786563), (31, 405968), (62, 202984), (124, 101492), (248, 50746), (496, 25373)]