12684620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48787}}^1$

素因数の和:48809

約数の個数: 24

約数和(自身を含む): 28687344

約数和(自身を除く): 16002724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48787, 97574, 195148, 243935, 487870, 634231, 975740, 1268462, 2536924, 3171155, 6342310, 12684620]

約数ペア:

[(1, 12684620), (2, 6342310), (4, 3171155), (5, 2536924), (10, 1268462), (13, 975740), (20, 634231), (26, 487870), (52, 243935), (65, 195148), (130, 97574), (260, 48787)]