25269620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66499}}^1$

素因数の和:66527

約数の個数: 24

約数和(自身を含む): 55860000

約数和(自身を除く): 30590380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66499, 132998, 265996, 332495, 664990, 1263481, 1329980, 2526962, 5053924, 6317405, 12634810, 25269620]

約数ペア:

[(1, 25269620), (2, 12634810), (4, 6317405), (5, 5053924), (10, 2526962), (19, 1329980), (20, 1263481), (38, 664990), (76, 332495), (95, 265996), (190, 132998), (380, 66499)]