1285207975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{1627}}^1\times {\mathrm{1663}}^1$

素因数の和:3319

約数の個数: 24

約数和(自身を含む): 1679575040

約数和(自身を除く): 394367065

約数列:

[1, 5, 19, 25, 95, 475, 1627, 1663, 8135, 8315, 30913, 31597, 40675, 41575, 154565, 157985, 772825, 789925, 2705701, 13528505, 51408319, 67642525, 257041595, 1285207975]

約数ペア:

[(1, 1285207975), (5, 257041595), (19, 67642525), (25, 51408319), (95, 13528505), (475, 2705701), (1627, 789925), (1663, 772825), (8135, 157985), (8315, 154565), (30913, 41575), (31597, 40675)]