2549950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3948

約数の個数: 24

約数和(自身を含む): 5109048

約数和(自身を除く): 2559098

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 3923, 7846, 19615, 39230, 50999, 98075, 101998, 196150, 254995, 509990, 1274975, 2549950]

約数ペア:

[(1, 2549950), (2, 1274975), (5, 509990), (10, 254995), (13, 196150), (25, 101998), (26, 98075), (50, 50999), (65, 39230), (130, 19615), (325, 7846), (650, 3923)]